2012310012 has 24 divisors (see below), whose sum is σ = 4809912912. Its totient is φ = 654409600.

The previous prime is 2012309987. The next prime is 2012310023. The reversal of 2012310012 is 2100132102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2012310012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044539 + ... + 2045522.

It is an arithmetic number, because the mean of its divisors is an integer number (200413038).

Almost surely, 2^2012310012 is an apocalyptic number.

It is an amenable number.

2012310012 is an abundant number, since it is smaller than the sum of its proper divisors (2797602900).

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

2012310012 is a wasteful number, since it uses less digits than its factorization.

2012310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090109 (or 4090107 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2012310012 is about 44858.7785388769. The cubic root of 2012310012 is about 1262.5007050547.

Adding to 2012310012 its reverse (2100132102), we get a palindrome (4112442114).

It can be divided in two parts, 20123 and 10012, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 2012310012 in words is "two billion, twelve million, three hundred ten thousand, twelve".