125012112 has 40 divisors (see below), whose sum is σ = 323509056. Its totient is φ = 41598336.

The previous prime is 125012093. The next prime is 125012113. The reversal of 125012112 is 211210521.

It is a junction number, because it is equal to n+sod(n) for n = 125012091 and 125012100.

It is not an unprimeable number, because it can be changed into a prime (125012113) 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, 30573 + ... + 34419.

Almost surely, 2^125012112 is an apocalyptic number.

125012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125012112 is an abundant number, since it is smaller than the sum of its proper divisors (198496944).

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

125012112 is a wasteful number, since it uses less digits than its factorization.

125012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 125012112 is about 11180.8815394852. The cubic root of 125012112 is about 500.0161488118.

Adding to 125012112 its reverse (211210521), we get a palindrome (336222633).

The spelling of 125012112 in words is "one hundred twenty-five million, twelve thousand, one hundred twelve".