12276781080 has 32 divisors (see below), whose sum is σ = 36830343600. Its totient is φ = 3273808256.

The previous prime is 12276781079. The next prime is 12276781103. The reversal of 12276781080 is 8018767221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51153135 + ... + 51153374.

Almost surely, 2^12276781080 is an apocalyptic number.

12276781080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12276781080 is an abundant number, since it is smaller than the sum of its proper divisors (24553562520).

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

12276781080 is a wasteful number, since it uses less digits than its factorization.

12276781080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102306523 (or 102306519 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The spelling of 12276781080 in words is "twelve billion, two hundred seventy-six million, seven hundred eighty-one thousand, eighty".