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121300312202132 = 22723418355349551
BaseRepresentation
bin11011100101001001101110…
…000001010001101110010100
3120220111012022022120222222112
4123211021232001101232110
5111344341014410432012
61105552332200050152
734356441546426050
oct3345115601215624
9526435268528875
10121300312202132
113571719aa44498
1211730991163958
13528b755104bab
1421d4d75c86c60
15e05475b9a122
hex6e526e051b94

121300312202132 has 96 divisors (see below), whose sum is σ = 262447206948864. Its totient is φ = 47928282336000.

The previous prime is 121300312202129. The next prime is 121300312202137. The reversal of 121300312202132 is 231202213003121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 121300312202098 and 121300312202107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300312202137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25483244 + ... + 29866307.

It is an arithmetic number, because the mean of its divisors is an integer number (2733825072384).

Almost surely, 2121300312202132 is an apocalyptic number.

It is an amenable number.

121300312202132 is an abundant number, since it is smaller than the sum of its proper divisors (141146894746732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121300312202132 is a wasteful number, since it uses less digits than its factorization.

121300312202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55349709 (or 55349707 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121300312202132 its reverse (231202213003121), we get a palindrome (352502525205253).

The spelling of 121300312202132 in words is "one hundred twenty-one trillion, three hundred billion, three hundred twelve million, two hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 41 46 82 83 92 161 164 166 287 322 332 574 581 644 943 1148 1162 1886 1909 2324 3403 3772 3818 6601 6806 7636 13202 13363 13612 23821 26404 26726 47642 53452 78269 95284 156538 313076 547883 1095766 2191532 55349551 110699102 221398204 387446857 774893714 1273039673 1549787428 2269331591 2546079346 4538663182 4594012733 5092158692 8911277711 9077326364 9188025466 15885321137 17822555422 18376050932 31770642274 32158089131 35645110844 52194626593 63541284548 64316178262 104389253186 105662292859 128632356524 188354522053 208778506372 211324585718 365362386151 376709044106 422649171436 730724772302 739636050013 753418088212 1318481654371 1461449544604 1479272100026 2636963308742 2958544200052 4332154007219 5273926617484 8664308014438 17328616028876 30325078050533 60650156101066 121300312202132