12451135125 has 64 divisors (see below), whose sum is σ = 24340942080. Its totient is φ = 5572512000.

The previous prime is 12451135093. The next prime is 12451135139. The reversal of 12451135125 is 52153115421.

It is not a de Polignac number, because 12451135125 - 2⁵ = 12451135093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12451135092 and 12451135101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62470 + ... + 169719.

It is an arithmetic number, because the mean of its divisors is an integer number (380327220).

Almost surely, 2^12451135125 is an apocalyptic number.

12451135125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12451135125 is a deficient number, since it is larger than the sum of its proper divisors (11889806955).

12451135125 is a wasteful number, since it uses less digits than its factorization.

12451135125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232231 (or 232221 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

The spelling of 12451135125 in words is "twelve billion, four hundred fifty-one million, one hundred thirty-five thousand, one hundred twenty-five".