12928404929292 has 48 divisors (see below), whose sum is σ = 33641769907200. Its totient is φ = 4293566202960.

The previous prime is 12928404929273. The next prime is 12928404929309. The reversal of 12928404929292 is 29292940482921.

12928404929292 is a `hidden beast` number, since 1 + 2 + 9 + 284 + 0 + 49 + 29 + 292 = 666.

12928404929292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220833192 + ... + 220891727.

It is an arithmetic number, because the mean of its divisors is an integer number (700870206400).

Almost surely, 2^{12928404929292} is an apocalyptic number.

12928404929292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12928404929292 is an abundant number, since it is smaller than the sum of its proper divisors (20713364977908).

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

12928404929292 is a wasteful number, since it uses less digits than its factorization.

12928404929292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441725203 (or 441725195 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 12928404929292 in words is "twelve trillion, nine hundred twenty-eight billion, four hundred four million, nine hundred twenty-nine thousand, two hundred ninety-two".