2012312444 has 24 divisors (see below), whose sum is σ = 3551943360. Its totient is φ = 997491456.

The previous prime is 2012312443. The next prime is 2012312447. The reversal of 2012312444 is 4442132102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012312441) 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, 511517 + ... + 515435.

It is an arithmetic number, because the mean of its divisors is an integer number (147997640).

Almost surely, 2^2012312444 is an apocalyptic number.

It is an amenable number.

2012312444 is a deficient number, since it is larger than the sum of its proper divisors (1539630916).

2012312444 is a wasteful number, since it uses less digits than its factorization.

2012312444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2012312444 is about 44858.8056461605. The cubic root of 2012312444 is about 1262.5012136576.

Adding to 2012312444 its reverse (4442132102), we get a palindrome (6454444546).

The spelling of 2012312444 in words is "two billion, twelve million, three hundred twelve thousand, four hundred forty-four".