1012210020979 has 2 divisors, whose sum is σ = 1012210020980. Its totient is φ = 1012210020978.

The previous prime is 1012210020973. The next prime is 1012210021007. The reversal of 1012210020979 is 9790200122101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012210020979 - 2²¹ = 1012207923827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012210020973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506105010489 + 506105010490.

It is an arithmetic number, because the mean of its divisors is an integer number (506105010490).

Almost surely, 2^{1012210020979} is an apocalyptic number.

1012210020979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012210020979 is an equidigital number, since it uses as much as digits as its factorization.

1012210020979 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 1012210020979 in words is "one trillion, twelve billion, two hundred ten million, twenty thousand, nine hundred seventy-nine".