212200020979 has 2 divisors, whose sum is σ = 212200020980. Its totient is φ = 212200020978.

The previous prime is 212200020899. The next prime is 212200021001. The reversal of 212200020979 is 979020002212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212200020979 - 2¹⁵ = 212199988211 is a prime.

It is not a weakly prime, because it can be changed into another prime (212200020379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100010489 + 106100010490.

It is an arithmetic number, because the mean of its divisors is an integer number (106100010490).

Almost surely, 2^212200020979 is an apocalyptic number.

212200020979 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200020979 is an equidigital number, since it uses as much as digits as its factorization.

212200020979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 212200020979 in words is "two hundred twelve billion, two hundred million, twenty thousand, nine hundred seventy-nine".