10012020979 has 2 divisors, whose sum is σ = 10012020980. Its totient is φ = 10012020978.

The previous prime is 10012020943. The next prime is 10012021013. The reversal of 10012020979 is 97902021001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10012020979 - 2¹¹ = 10012018931 is a prime.

It is a super-2 number, since 2×10012020979² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10012020979.

It is not a weakly prime, because it can be changed into another prime (10012020079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006010489 + 5006010490.

It is an arithmetic number, because the mean of its divisors is an integer number (5006010490).

Almost surely, 2^10012020979 is an apocalyptic number.

10012020979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012020979 is an equidigital number, since it uses as much as digits as its factorization.

10012020979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 10012020979 in words is "ten billion, twelve million, twenty thousand, nine hundred seventy-nine".