12022019979 has 8 divisors (see below), whose sum is σ = 16031516880. Its totient is φ = 8013601536.

The previous prime is 12022019969. The next prime is 12022019981. The reversal of 12022019979 is 97991022021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12022019979 - 2⁴ = 12022019963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12022019979.

It is not an unprimeable number, because it can be changed into a prime (12022019969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243234 + ... + 288455.

It is an arithmetic number, because the mean of its divisors is an integer number (2003939610).

Almost surely, 2^12022019979 is an apocalyptic number.

12022019979 is a deficient number, since it is larger than the sum of its proper divisors (4009496901).

12022019979 is an equidigital number, since it uses as much as digits as its factorization.

12022019979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539229.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 12022019979 in words is "twelve billion, twenty-two million, nineteen thousand, nine hundred seventy-nine".