210012210979 has 2 divisors, whose sum is σ = 210012210980. Its totient is φ = 210012210978.

The previous prime is 210012210977. The next prime is 210012211061. The reversal of 210012210979 is 979012210012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210012210979 - 2¹ = 210012210977 is a prime.

Together with 210012210977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (210012210977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006105489 + 105006105490.

It is an arithmetic number, because the mean of its divisors is an integer number (105006105490).

Almost surely, 2^210012210979 is an apocalyptic number.

210012210979 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012210979 is an equidigital number, since it uses as much as digits as its factorization.

210012210979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 210012210979 in words is "two hundred ten billion, twelve million, two hundred ten thousand, nine hundred seventy-nine".