125102012 has 12 divisors (see below), whose sum is σ = 250204080. Its totient is φ = 53615136.

The previous prime is 125101993. The next prime is 125102017. The reversal of 125102012 is 210201521.

125102012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125102017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233937 + ... + 2233992.

It is an arithmetic number, because the mean of its divisors is an integer number (20850340).

Almost surely, 2^125102012 is an apocalyptic number.

It is an amenable number.

125102012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125102012 is a wasteful number, since it uses less digits than its factorization.

125102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467940 (or 4467938 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 125102012 is about 11184.9010724280. The cubic root of 125102012 is about 500.1359790161.

Adding to 125102012 its reverse (210201521), we get a palindrome (335303533).

The spelling of 125102012 in words is "one hundred twenty-five million, one hundred two thousand, twelve".