52130012 has 24 divisors (see below), whose sum is σ = 100058112. Its totient is φ = 23567600.

The previous prime is 52130011. The next prime is 52130017. The reversal of 52130012 is 21003125.

It is a happy number.

It is a super-2 number, since 2×52130012² = 5435076302240288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52130011) 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, 5303 + ... + 11505.

It is an arithmetic number, because the mean of its divisors is an integer number (4169088).

Almost surely, 2^52130012 is an apocalyptic number.

It is an amenable number.

52130012 is a deficient number, since it is larger than the sum of its proper divisors (47928100).

52130012 is a wasteful number, since it uses less digits than its factorization.

52130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409 (or 6407 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 52130012 is about 7220.1116334860. Note that the first 3 decimals coincide. The cubic root of 52130012 is about 373.5619280992.

Adding to 52130012 its reverse (21003125), we get a palindrome (73133137).

The spelling of 52130012 in words is "fifty-two million, one hundred thirty thousand, twelve".