313311203211212 has 24 divisors (see below), whose sum is σ = 548392961953872. Its totient is φ = 156627501128000.

The previous prime is 313311203211197. The next prime is 313311203211229. The reversal of 313311203211212 is 212112302113313.

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, 1100543087 + ... + 1100827737.

It is an arithmetic number, because the mean of its divisors is an integer number (22849706748078).

Almost surely, 2^{313311203211212} is an apocalyptic number.

It is an amenable number.

313311203211212 is a deficient number, since it is larger than the sum of its proper divisors (235081758742660).

313311203211212 is a wasteful number, since it uses less digits than its factorization.

313311203211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333049 (or 333047 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 313311203211212 its reverse (212112302113313), we get a palindrome (525423505324525).

The spelling of 313311203211212 in words is "three hundred thirteen trillion, three hundred eleven billion, two hundred three million, two hundred eleven thousand, two hundred twelve".