312244402012 has 12 divisors (see below), whose sum is σ = 546719767776. Its totient is φ = 156038754080.

The previous prime is 312244401901. The next prime is 312244402013. The reversal of 312244402012 is 210204442213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312244402013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20853313 + ... + 20868280.

It is an arithmetic number, because the mean of its divisors is an integer number (45559980648).

Almost surely, 2^312244402012 is an apocalyptic number.

It is an amenable number.

312244402012 is a deficient number, since it is larger than the sum of its proper divisors (234475365764).

312244402012 is a wasteful number, since it uses less digits than its factorization.

312244402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41723468 (or 41723466 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 312244402012 its reverse (210204442213), we get a palindrome (522448844225).

The spelling of 312244402012 in words is "three hundred twelve billion, two hundred forty-four million, four hundred two thousand, twelve".