2012313231112 has 64 divisors (see below), whose sum is σ = 4014402044400. Its totient is φ = 942385397760.

The previous prime is 2012313231107. The next prime is 2012313231161. The reversal of 2012313231112 is 2111323132102.

It can be written as a sum of positive squares in 8 ways, for example, as 1150783980516 + 861529250596 = 1072746^2 + 928186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48782848 + ... + 48824080.

Almost surely, 2^{2012313231112} is an apocalyptic number.

It is an amenable number.

2012313231112 is a deficient number, since it is larger than the sum of its proper divisors (2002088813288).

2012313231112 is a wasteful number, since it uses less digits than its factorization.

2012313231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42986 (or 42982 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2012313231112 its reverse (2111323132102), we get a palindrome (4123636363214).

It can be divided in two parts, 201231 and 3231112, that added together give a palindrome (3432343).

The spelling of 2012313231112 in words is "two trillion, twelve billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred twelve".