126812929377 has 32 divisors (see below), whose sum is σ = 181767777408. Its totient is φ = 78358265856.

The previous prime is 126812929333. The next prime is 126812929379. The reversal of 126812929377 is 773929218621.

It is a happy number.

It is not a de Polignac number, because 126812929377 - 2⁸ = 126812929121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126812929379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1277073 + ... + 1372785.

It is an arithmetic number, because the mean of its divisors is an integer number (5680243044).

Almost surely, 2^126812929377 is an apocalyptic number.

126812929377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

126812929377 is a deficient number, since it is larger than the sum of its proper divisors (54954848031).

126812929377 is a wasteful number, since it uses less digits than its factorization.

126812929377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96129.

The product of its digits is 4572288, while the sum is 57.

The spelling of 126812929377 in words is "one hundred twenty-six billion, eight hundred twelve million, nine hundred twenty-nine thousand, three hundred seventy-seven".