12955212152640 has 224 divisors, whose sum is σ = 47177404369920. Its totient is φ = 3343280486400.

The previous prime is 12955212152627. The next prime is 12955212152677. The reversal of 12955212152640 is 4625121255921.

12955212152640 is a `hidden beast` number, since 1 + 2 + 9 + 552 + 1 + 2 + 1 + 52 + 6 + 40 = 666.

It is a super-2 number, since 2×12955212152640² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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, 23916771 + ... + 24452450.

Almost surely, 2^{12955212152640} is an apocalyptic number.

12955212152640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12955212152640 is an abundant number, since it is smaller than the sum of its proper divisors (34222192217280).

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

12955212152640 is a wasteful number, since it uses less digits than its factorization.

12955212152640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48369278 (or 48369262 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 12955212152640 in words is "twelve trillion, nine hundred fifty-five billion, two hundred twelve million, one hundred fifty-two thousand, six hundred forty".