202012210979 has 2 divisors, whose sum is σ = 202012210980. Its totient is φ = 202012210978.

The previous prime is 202012210957. The next prime is 202012211021. The reversal of 202012210979 is 979012210202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202012210979 - 2¹² = 202012206883 is a prime.

It is not a weakly prime, because it can be changed into another prime (202012210919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006105489 + 101006105490.

It is an arithmetic number, because the mean of its divisors is an integer number (101006105490).

Almost surely, 2^202012210979 is an apocalyptic number.

202012210979 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012210979 is an equidigital number, since it uses as much as digits as its factorization.

202012210979 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 35.

The spelling of 202012210979 in words is "two hundred two billion, twelve million, two hundred ten thousand, nine hundred seventy-nine".