2130312012 has 24 divisors (see below), whose sum is σ = 4971788976. Its totient is φ = 709952448.

The previous prime is 2130312001. The next prime is 2130312017. The reversal of 2130312012 is 2102130312.

It is a junction number, because it is equal to n+sod(n) for n = 2130311982 and 2130312000.

It is not an unprimeable number, because it can be changed into a prime (2130312017) 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, 49518 + ... + 81930.

It is an arithmetic number, because the mean of its divisors is an integer number (207157874).

Almost surely, 2^2130312012 is an apocalyptic number.

It is an amenable number.

2130312012 is an abundant number, since it is smaller than the sum of its proper divisors (2841476964).

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

2130312012 is a wasteful number, since it uses less digits than its factorization.

2130312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37897 (or 37895 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2130312012 is about 46155.3031839246. The cubic root of 2130312012 is about 1286.7111728395.

Adding to 2130312012 its reverse (2102130312), we get a palindrome (4232442324).

The spelling of 2130312012 in words is "two billion, one hundred thirty million, three hundred twelve thousand, twelve".