12981910476 has 12 divisors (see below), whose sum is σ = 30291124472. Its totient is φ = 4327303488.

The previous prime is 12981910457. The next prime is 12981910477. The reversal of 12981910476 is 67401918921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12981910477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540912925 + ... + 540912948.

Almost surely, 2^12981910476 is an apocalyptic number.

It is an amenable number.

12981910476 is an abundant number, since it is smaller than the sum of its proper divisors (17309213996).

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

12981910476 is a wasteful number, since it uses less digits than its factorization.

12981910476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081825880 (or 1081825878 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 12981910476 in words is "twelve billion, nine hundred eighty-one million, nine hundred ten thousand, four hundred seventy-six".