212312121213212 has 24 divisors (see below), whose sum is σ = 385674208335360. Its totient is φ = 102157751591280.

The previous prime is 212312121213209. The next prime is 212312121213221.

212312121213212 is nontrivially palindromic in base 10.

It is a congruent number.

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, 4782644078 + ... + 4782688469.

It is an arithmetic number, because the mean of its divisors is an integer number (16069758680640).

Almost surely, 2^{212312121213212} is an apocalyptic number.

It is an amenable number.

212312121213212 is a deficient number, since it is larger than the sum of its proper divisors (173362087122148).

212312121213212 is a wasteful number, since it uses less digits than its factorization.

212312121213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565332761 (or 9565332759 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The spelling of 212312121213212 in words is "two hundred twelve trillion, three hundred twelve billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred twelve".