126733867992 has 48 divisors (see below), whose sum is σ = 344962410000. Its totient is φ = 42032333376.

The previous prime is 126733867961. The next prime is 126733868069. The reversal of 126733867992 is 299768337621.

It is a super-2 number, since 2×126733867992² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4408267 + ... + 4436922.

It is an arithmetic number, because the mean of its divisors is an integer number (7186716875).

Almost surely, 2^126733867992 is an apocalyptic number.

126733867992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126733867992 is an abundant number, since it is smaller than the sum of its proper divisors (218228542008).

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

126733867992 is a wasteful number, since it uses less digits than its factorization.

126733867992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845400 (or 8845393 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 126733867992 in words is "one hundred twenty-six billion, seven hundred thirty-three million, eight hundred sixty-seven thousand, nine hundred ninety-two".