12771392010 has 64 divisors (see below), whose sum is σ = 33427054080. Its totient is φ = 3103925760.

The previous prime is 12771391987. The next prime is 12771392021. The reversal of 12771392010 is 1029317721.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176451 + ... + 238070.

It is an arithmetic number, because the mean of its divisors is an integer number (522297720).

Almost surely, 2^12771392010 is an apocalyptic number.

12771392010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12771392010 is an abundant number, since it is smaller than the sum of its proper divisors (20655662070).

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

12771392010 is a wasteful number, since it uses less digits than its factorization.

12771392010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414623.

The product of its (nonzero) digits is 5292, while the sum is 33.

The spelling of 12771392010 in words is "twelve billion, seven hundred seventy-one million, three hundred ninety-two thousand, ten".