125444211213 has 16 divisors (see below), whose sum is σ = 167439052800. Its totient is φ = 83539475760.

The previous prime is 125444211149. The next prime is 125444211239. The reversal of 125444211213 is 312112444521.

It is not a de Polignac number, because 125444211213 - 2⁶ = 125444211149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125444211313) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13978818 + ... + 13987788.

It is an arithmetic number, because the mean of its divisors is an integer number (10464940800).

Almost surely, 2^125444211213 is an apocalyptic number.

It is an amenable number.

125444211213 is a deficient number, since it is larger than the sum of its proper divisors (41994841587).

125444211213 is a wasteful number, since it uses less digits than its factorization.

125444211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13472.

The product of its digits is 7680, while the sum is 30.

Adding to 125444211213 its reverse (312112444521), we get a palindrome (437556655734).

The spelling of 125444211213 in words is "one hundred twenty-five billion, four hundred forty-four million, two hundred eleven thousand, two hundred thirteen".