12876640193090 has 32 divisors (see below), whose sum is σ = 23477098685040. Its totient is φ = 5084452122624.

The previous prime is 12876640193029. The next prime is 12876640193147. The reversal of 12876640193090 is 9039104667821.

It can be written as a sum of positive squares in 8 ways, for example, as 357858793369 + 12518781399721 = 598213^2 + 3538189^2 .

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, 16685507 + ... + 17440166.

Almost surely, 2^{12876640193090} is an apocalyptic number.

12876640193090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12876640193090 is a deficient number, since it is larger than the sum of its proper divisors (10600458491950).

12876640193090 is a wasteful number, since it uses less digits than its factorization.

12876640193090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34126166.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 12876640193090 in words is "twelve trillion, eight hundred seventy-six billion, six hundred forty million, one hundred ninety-three thousand, ninety".