1012112019979 has 2 divisors, whose sum is σ = 1012112019980. Its totient is φ = 1012112019978.

The previous prime is 1012112019953. The next prime is 1012112020063. The reversal of 1012112019979 is 9799102112101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012112019979 - 2³¹ = 1009964536331 is a prime.

It is a super-3 number, since 3×1012112019979³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1012112019679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506056009989 + 506056009990.

It is an arithmetic number, because the mean of its divisors is an integer number (506056009990).

Almost surely, 2^{1012112019979} is an apocalyptic number.

1012112019979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012112019979 is an equidigital number, since it uses as much as digits as its factorization.

1012112019979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 1012112019979 in words is "one trillion, twelve billion, one hundred twelve million, nineteen thousand, nine hundred seventy-nine".