12911897950875 has 1024 divisors, whose sum is σ = 33662789222400. Its totient is φ = 4717440000000.

The previous prime is 12911897950837. The next prime is 12911897950877. The reversal of 12911897950875 is 57805979811921.

12911897950875 is a `hidden beast` number, since 1 + 29 + 1 + 1 + 8 + 97 + 9 + 508 + 7 + 5 = 666.

It is not a de Polignac number, because 12911897950875 - 2¹⁷ = 12911897819803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12911897950877) by changing a digit.

It is a polite number, since it can be written in 1023 ways as a sum of consecutive naturals, for example, 3971668000 + ... + 3971671250.

It is an arithmetic number, because the mean of its divisors is an integer number (32873817600).

Almost surely, 2^{12911897950875} is an apocalyptic number.

12911897950875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12911897950875 is an abundant number, since it is smaller than the sum of its proper divisors (20750891271525).

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

12911897950875 is a wasteful number, since it uses less digits than its factorization.

12911897950875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 72.

The spelling of 12911897950875 in words is "twelve trillion, nine hundred eleven billion, eight hundred ninety-seven million, nine hundred fifty thousand, eight hundred seventy-five".