12975241897 has 2 divisors, whose sum is σ = 12975241898. Its totient is φ = 12975241896.

The previous prime is 12975241889. The next prime is 12975241931. The reversal of 12975241897 is 79814257921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7232481936 + 5742759961 = 85044^2 + 75781^2 .

It is a cyclic number.

It is not a de Polignac number, because 12975241897 - 2³ = 12975241889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12975241817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6487620948 + 6487620949.

It is an arithmetic number, because the mean of its divisors is an integer number (6487620949).

Almost surely, 2^12975241897 is an apocalyptic number.

It is an amenable number.

12975241897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12975241897 is an equidigital number, since it uses as much as digits as its factorization.

12975241897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 55.

The spelling of 12975241897 in words is "twelve billion, nine hundred seventy-five million, two hundred forty-one thousand, eight hundred ninety-seven".