312003244423212 has 48 divisors (see below), whose sum is σ = 730845245084640. Its totient is φ = 103595704860672.

The previous prime is 312003244423201. The next prime is 312003244423237. The reversal of 312003244423212 is 212324442300213.

It is a happy number.

It is a super-2 number, since 2×312003244423212² (a number of 30 digits) contains 22 as substring.

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, 659952498 + ... + 660425094.

It is an arithmetic number, because the mean of its divisors is an integer number (15225942605930).

Almost surely, 2^{312003244423212} is an apocalyptic number.

It is an amenable number.

312003244423212 is an abundant number, since it is smaller than the sum of its proper divisors (418842000661428).

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

312003244423212 is a wasteful number, since it uses less digits than its factorization.

312003244423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686930 (or 686928 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 312003244423212 its reverse (212324442300213), we get a palindrome (524327686723425).

The spelling of 312003244423212 in words is "three hundred twelve trillion, three billion, two hundred forty-four million, four hundred twenty-three thousand, two hundred twelve".