12022231979 has 2 divisors, whose sum is σ = 12022231980. Its totient is φ = 12022231978.

The previous prime is 12022231961. The next prime is 12022232003. The reversal of 12022231979 is 97913222021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12022231979 - 2⁸ = 12022231723 is a prime.

It is not a weakly prime, because it can be changed into another prime (12022231079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011115989 + 6011115990.

It is an arithmetic number, because the mean of its divisors is an integer number (6011115990).

Almost surely, 2^12022231979 is an apocalyptic number.

12022231979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022231979 is an equidigital number, since it uses as much as digits as its factorization.

12022231979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 12022231979 in words is "twelve billion, twenty-two million, two hundred thirty-one thousand, nine hundred seventy-nine".