52125012 has 48 divisors (see below), whose sum is σ = 139507200. Its totient is φ = 16813440.

The previous prime is 52125011. The next prime is 52125019. The reversal of 52125012 is 21052125.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52125011) 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, 4437 + ... + 11132.

It is an arithmetic number, because the mean of its divisors is an integer number (2906400).

Almost surely, 2^52125012 is an apocalyptic number.

It is an amenable number.

52125012 is an abundant number, since it is smaller than the sum of its proper divisors (87382188).

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

52125012 is a wasteful number, since it uses less digits than its factorization.

52125012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15613 (or 15605 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52125012 is about 7219.7653701488. The cubic root of 52125012 is about 373.5499844396.

Adding to 52125012 its reverse (21052125), we get a palindrome (73177137).

The spelling of 52125012 in words is "fifty-two million, one hundred twenty-five thousand, twelve".