212678876212 has 24 divisors (see below), whose sum is σ = 407154323520. Its totient is φ = 96402927360.

The previous prime is 212678876143. The next prime is 212678876213.

212678876212 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 212678876212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212678876213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6716253 + ... + 6747844.

It is an arithmetic number, because the mean of its divisors is an integer number (16964763480).

Almost surely, 2^212678876212 is an apocalyptic number.

212678876212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212678876212 is a deficient number, since it is larger than the sum of its proper divisors (194475447308).

212678876212 is a wasteful number, since it uses less digits than its factorization.

212678876212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464471 (or 13464469 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The spelling of 212678876212 in words is "two hundred twelve billion, six hundred seventy-eight million, eight hundred seventy-six thousand, two hundred twelve".