12990980889 has 12 divisors (see below), whose sum is σ = 18859048000. Its totient is φ = 8617131864.

The previous prime is 12990980887. The next prime is 12990980921. The reversal of 12990980889 is 98808909921.

It is not a de Polignac number, because 12990980889 - 2¹ = 12990980887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12990980881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3624949 + ... + 3628530.

Almost surely, 2^12990980889 is an apocalyptic number.

It is an amenable number.

12990980889 is a deficient number, since it is larger than the sum of its proper divisors (5868067111).

12990980889 is a wasteful number, since it uses less digits than its factorization.

12990980889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253684 (or 7253681 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 63.

The spelling of 12990980889 in words is "twelve billion, nine hundred ninety million, nine hundred eighty thousand, eight hundred eighty-nine".