125412002500 has 30 divisors (see below), whose sum is σ = 274250972534. Its totient is φ = 50164800000.

The previous prime is 125412002467. The next prime is 125412002563. The reversal of 125412002500 is 5200214521.

It can be written as a sum of positive squares in 5 ways, for example, as 43899468484 + 81512534016 = 209522^2 + 285504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25079901 + ... + 25084900.

Almost surely, 2^125412002500 is an apocalyptic number.

125412002500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125412002500 is an abundant number, since it is smaller than the sum of its proper divisors (148838970034).

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

125412002500 is an equidigital number, since it uses as much as digits as its factorization.

125412002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50164825 (or 50164808 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 125412002500 in words is "one hundred twenty-five billion, four hundred twelve million, two thousand, five hundred".