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121201300230231 = 31323334693844877
BaseRepresentation
bin11011100011101101100000…
…011100100101000001010111
3120220010201202000002200111010
4123203231200130211001113
5111341230230324331411
61105435035245543303
734346335130516664
oct3343554034450127
9526121660080433
10121201300230231
11356892012a5541
121171575a274b33
135282306200380
1421d0262138a6b
15e02acd5797a6
hex6e3b60725057

121201300230231 has 32 divisors (see below), whose sum is σ = 174829986152640. Its totient is φ = 74243878861824.

The previous prime is 121201300230209. The next prime is 121201300230239. The reversal of 121201300230231 is 132032003102121.

It is not a de Polignac number, because 121201300230231 - 213 = 121201300222039 is a prime.

It is a super-2 number, since 2×1212013002302312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121201300230198 and 121201300230207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201300230239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29600365 + ... + 33445241.

It is an arithmetic number, because the mean of its divisors is an integer number (5463437067270).

Almost surely, 2121201300230231 is an apocalyptic number.

121201300230231 is a deficient number, since it is larger than the sum of its proper divisors (53628685922409).

121201300230231 is a wasteful number, since it uses less digits than its factorization.

121201300230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848595.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121201300230231 its reverse (132032003102121), we get a palindrome (253233303332352).

The spelling of 121201300230231 in words is "one hundred twenty-one trillion, two hundred one billion, three hundred million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 13 39 233 699 3029 3469 9087 10407 45097 135291 808277 2424831 3844877 10507601 11534631 31522803 49983401 149950203 895856341 2687569023 11646132433 13337878313 34938397299 40013634939 173392418069 520177254207 3107725646929 9323176940787 40400433410077 121201300230231