102012022099979 has 2 divisors, whose sum is σ = 102012022099980. Its totient is φ = 102012022099978.

The previous prime is 102012022099961. The next prime is 102012022100017. The reversal of 102012022099979 is 979990220210201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102012022099979 - 2⁴⁴ = 84419836055563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102012022099979.

It is not a weakly prime, because it can be changed into another prime (102012022092979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006011049989 + 51006011049990.

It is an arithmetic number, because the mean of its divisors is an integer number (51006011049990).

Almost surely, 2^{102012022099979} is an apocalyptic number.

102012022099979 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012022099979 is an equidigital number, since it uses as much as digits as its factorization.

102012022099979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 102012022099979 in words is "one hundred two trillion, twelve billion, twenty-two million, ninety-nine thousand, nine hundred seventy-nine".