125313051213 has 64 divisors (see below), whose sum is σ = 229029580800. Its totient is φ = 66132158400.

The previous prime is 125313051211. The next prime is 125313051217. The reversal of 125313051213 is 312150313521.

125313051213 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 130 + 512 + 13 = 666.

It is not a de Polignac number, because 125313051213 - 2¹ = 125313051211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125313051211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 370963 + ... + 623088.

It is an arithmetic number, because the mean of its divisors is an integer number (3578587200).

Almost surely, 2^125313051213 is an apocalyptic number.

It is an amenable number.

125313051213 is a deficient number, since it is larger than the sum of its proper divisors (103716529587).

125313051213 is a wasteful number, since it uses less digits than its factorization.

125313051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994119 (or 994113 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 125313051213 its reverse (312150313521), we get a palindrome (437463364734).

The spelling of 125313051213 in words is "one hundred twenty-five billion, three hundred thirteen million, fifty-one thousand, two hundred thirteen".