12011202219979 has 2 divisors, whose sum is σ = 12011202219980. Its totient is φ = 12011202219978.

The previous prime is 12011202219941. The next prime is 12011202220027. The reversal of 12011202219979 is 97991220211021.

It is a weak prime.

It is an emirp because it is prime and its reverse (97991220211021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12011202219979 - 2²¹ = 12011200122827 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011202219179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005601109989 + 6005601109990.

It is an arithmetic number, because the mean of its divisors is an integer number (6005601109990).

Almost surely, 2^{12011202219979} is an apocalyptic number.

12011202219979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011202219979 is an equidigital number, since it uses as much as digits as its factorization.

12011202219979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 46.

The spelling of 12011202219979 in words is "twelve trillion, eleven billion, two hundred two million, two hundred nineteen thousand, nine hundred seventy-nine".