12787255330 has 32 divisors (see below), whose sum is σ = 24607649664. Its totient is φ = 4767280896.

The previous prime is 12787255291. The next prime is 12787255343. The reversal of 12787255330 is 3355278721.

It is a happy number.

It is a super-2 number, since 2×12787255330² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347632 + ... + 382651.

It is an arithmetic number, because the mean of its divisors is an integer number (768989052).

Almost surely, 2^12787255330 is an apocalyptic number.

12787255330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12787255330 is a deficient number, since it is larger than the sum of its proper divisors (11820394334).

12787255330 is a wasteful number, since it uses less digits than its factorization.

12787255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730410.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 12787255330 in words is "twelve billion, seven hundred eighty-seven million, two hundred fifty-five thousand, three hundred thirty".