125203034412 has 72 divisors (see below), whose sum is σ = 322624031184. Its totient is φ = 40925678976.

The previous prime is 125203034399. The next prime is 125203034431. The reversal of 125203034412 is 214430302521.

125203034412 is a `hidden beast` number, since 12 + 5 + 203 + 0 + 3 + 441 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3901143 + ... + 3933105.

It is an arithmetic number, because the mean of its divisors is an integer number (4480889322).

Almost surely, 2^125203034412 is an apocalyptic number.

125203034412 is a gapful number since it is divisible by the number (12) 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 125203034412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161312015592).

125203034412 is an abundant number, since it is smaller than the sum of its proper divisors (197420996772).

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

125203034412 is a wasteful number, since it uses less digits than its factorization.

125203034412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34079 (or 34074 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 125203034412 its reverse (214430302521), we get a palindrome (339633336933).

The spelling of 125203034412 in words is "one hundred twenty-five billion, two hundred three million, thirty-four thousand, four hundred twelve".