12437377056 has 72 divisors (see below), whose sum is σ = 38089478700. Its totient is φ = 3826884096.

The previous prime is 12437377037. The next prime is 12437377091. The reversal of 12437377056 is 65077373421.

It can be written as a sum of positive squares in 2 ways, for example, as 11296288656 + 1141088400 = 106284^2 + 33780^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1657231 + ... + 1664718.

Almost surely, 2^12437377056 is an apocalyptic number.

12437377056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12437377056 is an abundant number, since it is smaller than the sum of its proper divisors (25652101644).

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

12437377056 is a wasteful number, since it uses less digits than its factorization.

12437377056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321978 (or 3321967 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 12437377056 in words is "twelve billion, four hundred thirty-seven million, three hundred seventy-seven thousand, fifty-six".