2012312021044 has 12 divisors (see below), whose sum is σ = 3792434193604. Its totient is φ = 928759394304.

The previous prime is 2012312021021. The next prime is 2012312021053. The reversal of 2012312021044 is 4401202132102.

It can be written as a sum of positive squares in 2 ways, for example, as 1179856508944 + 832455512100 = 1086212^2 + 912390^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19349153997 + ... + 19349154100.

Almost surely, 2^{2012312021044} is an apocalyptic number.

It is an amenable number.

2012312021044 is a deficient number, since it is larger than the sum of its proper divisors (1780122172560).

2012312021044 is a wasteful number, since it uses less digits than its factorization.

2012312021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38698308114 (or 38698308112 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2012312021044 its reverse (4401202132102), we get a palindrome (6413514153146).

The spelling of 2012312021044 in words is "two trillion, twelve billion, three hundred twelve million, twenty-one thousand, forty-four".