12406472516 has 24 divisors (see below), whose sum is σ = 22320021696. Its totient is φ = 6029652960.

The previous prime is 12406472501. The next prime is 12406472537. The reversal of 12406472516 is 61527460421.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12406472516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111935 + ... + 193241.

It is an arithmetic number, because the mean of its divisors is an integer number (930000904).

Almost surely, 2^12406472516 is an apocalyptic number.

It is an amenable number.

12406472516 is a deficient number, since it is larger than the sum of its proper divisors (9913549180).

12406472516 is a wasteful number, since it uses less digits than its factorization.

12406472516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82379 (or 82377 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 12406472516 in words is "twelve billion, four hundred six million, four hundred seventy-two thousand, five hundred sixteen".