12965673178452 has 24 divisors (see below), whose sum is σ = 32032839617856. Its totient is φ = 4067662173568.

The previous prime is 12965673178441. The next prime is 12965673178499. The reversal of 12965673178452 is 25487137656921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31778610528 + ... + 31778610935.

It is an arithmetic number, because the mean of its divisors is an integer number (1334701650744).

Almost surely, 2^{12965673178452} is an apocalyptic number.

12965673178452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12965673178452 is an abundant number, since it is smaller than the sum of its proper divisors (19067166439404).

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

12965673178452 is a wasteful number, since it uses less digits than its factorization.

12965673178452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63557221487 (or 63557221485 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 66.

The spelling of 12965673178452 in words is "twelve trillion, nine hundred sixty-five billion, six hundred seventy-three million, one hundred seventy-eight thousand, four hundred fifty-two".