12131102997 has 64 divisors (see below), whose sum is σ = 19618959360. Its totient is φ = 7363887552.

The previous prime is 12131102987. The next prime is 12131103011. The reversal of 12131102997 is 79920113121.

It is not a de Polignac number, because 12131102997 - 2⁸ = 12131102741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131102987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12544608 + ... + 12545574.

It is an arithmetic number, because the mean of its divisors is an integer number (306546240).

Almost surely, 2^12131102997 is an apocalyptic number.

It is an amenable number.

12131102997 is a deficient number, since it is larger than the sum of its proper divisors (7487856363).

12131102997 is a wasteful number, since it uses less digits than its factorization.

12131102997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The spelling of 12131102997 in words is "twelve billion, one hundred thirty-one million, one hundred two thousand, nine hundred ninety-seven".