312201102212 has 12 divisors (see below), whose sum is σ = 546378443520. Its totient is φ = 156092975496.

The previous prime is 312201102209. The next prime is 312201102263. The reversal of 312201102212 is 212201102213.

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, 1800668 + ... + 1966419.

It is an arithmetic number, because the mean of its divisors is an integer number (45531536960).

Almost surely, 2^312201102212 is an apocalyptic number.

It is an amenable number.

312201102212 is a deficient number, since it is larger than the sum of its proper divisors (234177341308).

312201102212 is a wasteful number, since it uses less digits than its factorization.

312201102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787810 (or 3787808 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 312201102212 its reverse (212201102213), we get a palindrome (524402204425).

Subtracting from 312201102212 its reverse (212201102213), we obtain a palindrome (99999999999).

The spelling of 312201102212 in words is "three hundred twelve billion, two hundred one million, one hundred two thousand, two hundred twelve".