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121200304626201 = 319711011671775549
BaseRepresentation
bin11011100011101100100101…
…000110101001101000011001
3120220010122011121200202111210
4123203230211012221220121
5111341221210441014301
61105434352402413333
734346301351155223
oct3343544506515031
9526118147622453
10121200304626201
1135688840304499
1211715520961249
1352821a7b72068
1421d01a9c13413
15e02a70e65ad6
hex6e3b251a9a19

121200304626201 has 64 divisors (see below), whose sum is σ = 175252750848000. Its totient is φ = 74274723936000.

The previous prime is 121200304626197. The next prime is 121200304626221. The reversal of 121200304626201 is 102626403002121.

It is not a de Polignac number, because 121200304626201 - 22 = 121200304626197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121200304626221) 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 63 ways as a sum of consecutive naturals, for example, 67372975 + ... + 69148523.

It is an arithmetic number, because the mean of its divisors is an integer number (2738324232000).

Almost surely, 2121200304626201 is an apocalyptic number.

It is an amenable number.

121200304626201 is a deficient number, since it is larger than the sum of its proper divisors (54052446221799).

121200304626201 is a wasteful number, since it uses less digits than its factorization.

121200304626201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775910.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 121200304626201 its reverse (102626403002121), we get a palindrome (223826707628322).

The spelling of 121200304626201 in words is "one hundred twenty-one trillion, two hundred billion, three hundred four million, six hundred twenty-six thousand, two hundred one".

Divisors: 1 3 19 57 71 101 167 213 303 501 1349 1919 3173 4047 5757 7171 9519 11857 16867 21513 35571 50601 136249 225283 320473 408747 675849 961419 1197557 1775549 3592671 5326647 22753583 33735431 68260749 101206293 126063979 179330449 296516683 378191937 537991347 889550049 2395215601 3407278531 5633816977 7185646803 10221835593 12732461879 16901450931 21052684493 29948184983 38197385637 63158053479 89844554949 241916775701 400001005367 569015514677 725750327103 1200003016101 1707046544031 2126321133793 6378963401379 40400101542067 121200304626201