12522503100 has 144 divisors (see below), whose sum is σ = 36802088960. Its totient is φ = 3287174400.

The previous prime is 12522503051. The next prime is 12522503117. The reversal of 12522503100 is 130522521.

It is a super-2 number, since 2×12522503100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5591781 + ... + 5594019.

Almost surely, 2^12522503100 is an apocalyptic number.

12522503100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12522503100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18401044480).

12522503100 is an abundant number, since it is smaller than the sum of its proper divisors (24279585860).

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

12522503100 is a wasteful number, since it uses less digits than its factorization.

12522503100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 12522503100 in words is "twelve billion, five hundred twenty-two million, five hundred three thousand, one hundred".