125145420213 has 16 divisors (see below), whose sum is σ = 184074984000. Its totient is φ = 74993508480.

The previous prime is 125145420173. The next prime is 125145420223. The reversal of 125145420213 is 312024541521.

It is not a de Polignac number, because 125145420213 - 2⁸ = 125145419957 is a prime.

It is a super-2 number, since 2×125145420213² (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 (125145420223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21302038 + ... + 21307911.

It is an arithmetic number, because the mean of its divisors is an integer number (11504686500).

Almost surely, 2^125145420213 is an apocalyptic number.

It is an amenable number.

125145420213 is a deficient number, since it is larger than the sum of its proper divisors (58929563787).

125145420213 is a wasteful number, since it uses less digits than its factorization.

125145420213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42610052.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 125145420213 its reverse (312024541521), we get a palindrome (437169961734).

The spelling of 125145420213 in words is "one hundred twenty-five billion, one hundred forty-five million, four hundred twenty thousand, two hundred thirteen".