12971264476 has 12 divisors (see below), whose sum is σ = 22725310608. Its totient is φ = 6478318592.

The previous prime is 12971264443. The next prime is 12971264477. The reversal of 12971264476 is 67446217921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12971264477) 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, 1824421 + ... + 1831516.

It is an arithmetic number, because the mean of its divisors is an integer number (1893775884).

Almost surely, 2^12971264476 is an apocalyptic number.

It is an amenable number.

12971264476 is a deficient number, since it is larger than the sum of its proper divisors (9754046132).

12971264476 is a wasteful number, since it uses less digits than its factorization.

12971264476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656828 (or 3656826 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The spelling of 12971264476 in words is "twelve billion, nine hundred seventy-one million, two hundred sixty-four thousand, four hundred seventy-six".