125203232013 has 16 divisors (see below), whose sum is σ = 169947662976. Its totient is φ = 81972961280.

The previous prime is 125203231999. The next prime is 125203232059. The reversal of 125203232013 is 310232302521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125203232013 - 2⁹ = 125203231501 is a prime.

It is a super-2 number, since 2×125203232013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125203232083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1088856 + ... + 1198337.

It is an arithmetic number, because the mean of its divisors is an integer number (10621728936).

Almost surely, 2^125203232013 is an apocalyptic number.

It is an amenable number.

125203232013 is a deficient number, since it is larger than the sum of its proper divisors (44744430963).

125203232013 is a wasteful number, since it uses less digits than its factorization.

125203232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287524.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 125203232013 its reverse (310232302521), we get a palindrome (435435534534).

The spelling of 125203232013 in words is "one hundred twenty-five billion, two hundred three million, two hundred thirty-two thousand, thirteen".