12907228999427 has 12 divisors (see below), whose sum is σ = 15018200270496. Its totient is φ = 11060635980240.

The previous prime is 12907228999391. The next prime is 12907228999453. The reversal of 12907228999427 is 72499982270921.

It is not a de Polignac number, because 12907228999427 - 2¹⁰ = 12907228998403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12907228993427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31977899 + ... + 32379012.

It is an arithmetic number, because the mean of its divisors is an integer number (1251516689208).

Almost surely, 2^{12907228999427} is an apocalyptic number.

12907228999427 is a deficient number, since it is larger than the sum of its proper divisors (2110971271069).

12907228999427 is an equidigital number, since it uses as much as digits as its factorization.

12907228999427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64361018 (or 64361011 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 71.

The spelling of 12907228999427 in words is "twelve trillion, nine hundred seven billion, two hundred twenty-eight million, nine hundred ninety-nine thousand, four hundred twenty-seven".