12916865476 has 6 divisors (see below), whose sum is σ = 22604514590. Its totient is φ = 6458432736.

The previous prime is 12916865471. The next prime is 12916865539. The reversal of 12916865476 is 67456861921.

12916865476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12549376576 + 367488900 = 112024^2 + 19170^2 .

It is not an unprimeable number, because it can be changed into a prime (12916865471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614608181 + ... + 1614608188.

Almost surely, 2^12916865476 is an apocalyptic number.

It is an amenable number.

12916865476 is a deficient number, since it is larger than the sum of its proper divisors (9687649114).

12916865476 is a wasteful number, since it uses less digits than its factorization.

12916865476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229216373 (or 3229216371 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 12916865476 in words is "twelve billion, nine hundred sixteen million, eight hundred sixty-five thousand, four hundred seventy-six".