312230433431212 has 24 divisors (see below), whose sum is σ = 555002863510032. Its totient is φ = 153676056024000.

The previous prime is 312230433431183. The next prime is 312230433431227. The reversal of 312230433431212 is 212134334032213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233593714 + ... + 2233733497.

It is an arithmetic number, because the mean of its divisors is an integer number (23125119312918).

Almost surely, 2^{312230433431212} is an apocalyptic number.

It is an amenable number.

312230433431212 is a deficient number, since it is larger than the sum of its proper divisors (242772430078820).

312230433431212 is a wasteful number, since it uses less digits than its factorization.

312230433431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467327489 (or 4467327487 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 312230433431212 its reverse (212134334032213), we get a palindrome (524364767463425).

The spelling of 312230433431212 in words is "three hundred twelve trillion, two hundred thirty billion, four hundred thirty-three million, four hundred thirty-one thousand, two hundred twelve".