12887255334 has 32 divisors (see below), whose sum is σ = 27172048896. Its totient is φ = 4068725760.

The previous prime is 12887255257. The next prime is 12887255357. The reversal of 12887255334 is 43355278821.

It is a super-2 number, since 2×12887255334² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 728347 + ... + 745830.

It is an arithmetic number, because the mean of its divisors is an integer number (849126528).

Almost surely, 2^12887255334 is an apocalyptic number.

12887255334 is an abundant number, since it is smaller than the sum of its proper divisors (14284793562).

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

12887255334 is a wasteful number, since it uses less digits than its factorization.

12887255334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474260.

The product of its digits is 1612800, while the sum is 48.

The spelling of 12887255334 in words is "twelve billion, eight hundred eighty-seven million, two hundred fifty-five thousand, three hundred thirty-four".