12402523500 has 48 divisors (see below), whose sum is σ = 36116152800. Its totient is φ = 3307339200.

The previous prime is 12402523489. The next prime is 12402523501. The reversal of 12402523500 is 532520421.

It is not an unprimeable number, because it can be changed into a prime (12402523501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4132675 + ... + 4135674.

It is an arithmetic number, because the mean of its divisors is an integer number (752419850).

Almost surely, 2^12402523500 is an apocalyptic number.

12402523500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402523500 is an abundant number, since it is smaller than the sum of its proper divisors (23713629300).

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

12402523500 is a wasteful number, since it uses less digits than its factorization.

12402523500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268371 (or 8268359 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 12402523500 in words is "twelve billion, four hundred two million, five hundred twenty-three thousand, five hundred".