126812929456 has 20 divisors (see below), whose sum is σ = 245950030512. Its totient is φ = 63341953856.

The previous prime is 126812929403. The next prime is 126812929483. The reversal of 126812929456 is 654929218621.

It is a junction number, because it is equal to n+sod(n) for n = 126812929397 and 126812929406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4015711 + ... + 4047166.

Almost surely, 2^126812929456 is an apocalyptic number.

126812929456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126812929456 is a deficient number, since it is larger than the sum of its proper divisors (119137101056).

126812929456 is an equidigital number, since it uses as much as digits as its factorization.

126812929456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063868 (or 8063862 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The spelling of 126812929456 in words is "one hundred twenty-six billion, eight hundred twelve million, nine hundred twenty-nine thousand, four hundred fifty-six".