212112202279 has 2 divisors, whose sum is σ = 212112202280. Its totient is φ = 212112202278.

The previous prime is 212112202199. The next prime is 212112202319. The reversal of 212112202279 is 972202211212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212112202279 - 2¹³ = 212112194087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212112202279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112202879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056101139 + 106056101140.

It is an arithmetic number, because the mean of its divisors is an integer number (106056101140).

Almost surely, 2^212112202279 is an apocalyptic number.

212112202279 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112202279 is an equidigital number, since it uses as much as digits as its factorization.

212112202279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 212112202279 in words is "two hundred twelve billion, one hundred twelve million, two hundred two thousand, two hundred seventy-nine".