12734633376 has 120 divisors (see below), whose sum is σ = 39080742624. Its totient is φ = 4060298880.

The previous prime is 12734633371. The next prime is 12734633383. The reversal of 12734633376 is 67333643721.

12734633376 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 4 + 633 + 3 + 7 + 6 = 666.

It is a super-2 number, since 2×12734633376² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12734633371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47190 + ... + 166421.

Almost surely, 2^12734633376 is an apocalyptic number.

12734633376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12734633376 is an abundant number, since it is smaller than the sum of its proper divisors (26346109248).

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

12734633376 is a wasteful number, since it uses less digits than its factorization.

12734633376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213656 (or 213639 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 45.

The spelling of 12734633376 in words is "twelve billion, seven hundred thirty-four million, six hundred thirty-three thousand, three hundred seventy-six".