12490123816 has 16 divisors (see below), whose sum is σ = 23420355840. Its totient is φ = 6244695600.

The previous prime is 12490123813. The next prime is 12490123817. The reversal of 12490123816 is 61832109421.

It is not an unprimeable number, because it can be changed into a prime (12490123813) 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, 146745 + ... + 215671.

It is an arithmetic number, because the mean of its divisors is an integer number (1463772240).

Almost surely, 2^12490123816 is an apocalyptic number.

It is an amenable number.

12490123816 is a deficient number, since it is larger than the sum of its proper divisors (10930232024).

12490123816 is a wasteful number, since it uses less digits than its factorization.

12490123816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91584 (or 91580 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 12490123816 in words is "twelve billion, four hundred ninety million, one hundred twenty-three thousand, eight hundred sixteen".