12981552474 has 16 divisors (see below), whose sum is σ = 28323387360. Its totient is φ = 3933803760.

The previous prime is 12981552473. The next prime is 12981552481. The reversal of 12981552474 is 47425518921.

It is not an unprimeable number, because it can be changed into a prime (12981552473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98345029 + ... + 98345160.

It is an arithmetic number, because the mean of its divisors is an integer number (1770211710).

Almost surely, 2^12981552474 is an apocalyptic number.

12981552474 is an abundant number, since it is smaller than the sum of its proper divisors (15341834886).

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

12981552474 is a wasteful number, since it uses less digits than its factorization.

12981552474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196690205.

The product of its digits is 806400, while the sum is 48.

The spelling of 12981552474 in words is "twelve billion, nine hundred eighty-one million, five hundred fifty-two thousand, four hundred seventy-four".