312203240012 has 12 divisors (see below), whose sum is σ = 546647695776. Its totient is φ = 156018184080.

The previous prime is 312203240009. The next prime is 312203240039. The reversal of 312203240012 is 210042302213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20850563 + ... + 20865530.

It is an arithmetic number, because the mean of its divisors is an integer number (45553974648).

Almost surely, 2^312203240012 is an apocalyptic number.

It is an amenable number.

312203240012 is a deficient number, since it is larger than the sum of its proper divisors (234444455764).

312203240012 is a wasteful number, since it uses less digits than its factorization.

312203240012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41717968 (or 41717966 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312203240012 its reverse (210042302213), we get a palindrome (522245542225).

The spelling of 312203240012 in words is "three hundred twelve billion, two hundred three million, two hundred forty thousand, twelve".