212957868759212 has 24 divisors (see below), whose sum is σ = 384698694936192. Its totient is φ = 103043966803200.

The previous prime is 212957868759173. The next prime is 212957868759227.

212957868759212 is nontrivially palindromic in base 10.

212957868759212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212957868759212.

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, 122574548 + ... + 124299780.

It is an arithmetic number, because the mean of its divisors is an integer number (16029112289008).

Almost surely, 2^{212957868759212} is an apocalyptic number.

It is an amenable number.

212957868759212 is a deficient number, since it is larger than the sum of its proper divisors (171740826176980).

212957868759212 is a wasteful number, since it uses less digits than its factorization.

212957868759212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720729 (or 2720727 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 74.

The spelling of 212957868759212 in words is "two hundred twelve trillion, nine hundred fifty-seven billion, eight hundred sixty-eight million, seven hundred fifty-nine thousand, two hundred twelve".