126999336256632 has 128 divisors (see below), whose sum is σ = 416178060595200. Its totient is φ = 35115023836800.

The previous prime is 126999336256589. The next prime is 126999336256657. The reversal of 126999336256632 is 236652633999621.

126999336256632 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 9 + 9 + 336 + 256 + 6 + 32 = 666.

It is a super-2 number, since 2×126999336256632² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1354699419 + ... + 1354793162.

It is an arithmetic number, because the mean of its divisors is an integer number (3251391098400).

Almost surely, 2^{126999336256632} is an apocalyptic number.

126999336256632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126999336256632 is an abundant number, since it is smaller than the sum of its proper divisors (289178724338568).

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

126999336256632 is a wasteful number, since it uses less digits than its factorization.

126999336256632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709492634 (or 2709492624 counting only the distinct ones).

The product of its digits is 1020366720, while the sum is 72.

The spelling of 126999336256632 in words is "one hundred twenty-six trillion, nine hundred ninety-nine billion, three hundred thirty-six million, two hundred fifty-six thousand, six hundred thirty-two".