12712634354 has 32 divisors (see below), whose sum is σ = 22301084160. Its totient is φ = 5321734848.

The previous prime is 12712634321. The next prime is 12712634371. The reversal of 12712634354 is 45343621721.

It is a super-2 number, since 2×12712634354² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315944 + ... + 353900.

It is an arithmetic number, because the mean of its divisors is an integer number (696908880).

Almost surely, 2^12712634354 is an apocalyptic number.

12712634354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12712634354 is a deficient number, since it is larger than the sum of its proper divisors (9588449806).

12712634354 is a wasteful number, since it uses less digits than its factorization.

12712634354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38522.

The product of its digits is 120960, while the sum is 38.

The spelling of 12712634354 in words is "twelve billion, seven hundred twelve million, six hundred thirty-four thousand, three hundred fifty-four".