125125212 has 24 divisors (see below), whose sum is σ = 295960336. Its totient is φ = 41136768.

The previous prime is 125125211. The next prime is 125125237. The reversal of 125125212 is 212521521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125125211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70543 + ... + 72294.

Almost surely, 2^125125212 is an apocalyptic number.

125125212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125125212 is an abundant number, since it is smaller than the sum of its proper divisors (170835124).

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

125125212 is a wasteful number, since it uses less digits than its factorization.

125125212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142917 (or 142915 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 125125212 is about 11185.9381367858. The cubic root of 125125212 is about 500.1668936202.

Adding to 125125212 its reverse (212521521), we get a palindrome (337646733).

The spelling of 125125212 in words is "one hundred twenty-five million, one hundred twenty-five thousand, two hundred twelve".