12451607500 has 60 divisors (see below), whose sum is σ = 28830989880. Its totient is φ = 4687648000.

The previous prime is 12451607491. The next prime is 12451607501. The reversal of 12451607500 is 570615421.

It is not an unprimeable number, because it can be changed into a prime (12451607501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103990 + ... + 188989.

It is an arithmetic number, because the mean of its divisors is an integer number (480516498).

Almost surely, 2^12451607500 is an apocalyptic number.

12451607500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12451607500 is an abundant number, since it is smaller than the sum of its proper divisors (16379382380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12451607500 is a wasteful number, since it uses less digits than its factorization.

12451607500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293020 (or 293003 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 12451607500 in words is "twelve billion, four hundred fifty-one million, six hundred seven thousand, five hundred".