12029978579 has 2 divisors, whose sum is σ = 12029978580. Its totient is φ = 12029978578.

The previous prime is 12029978501. The next prime is 12029978593. The reversal of 12029978579 is 97587992021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12029978579 - 2²⁰ = 12028930003 is a prime.

It is a super-2 number, since 2×12029978579² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12029975579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6014989289 + 6014989290.

It is an arithmetic number, because the mean of its divisors is an integer number (6014989290).

Almost surely, 2^12029978579 is an apocalyptic number.

12029978579 is a deficient number, since it is larger than the sum of its proper divisors (1).

12029978579 is an equidigital number, since it uses as much as digits as its factorization.

12029978579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The spelling of 12029978579 in words is "twelve billion, twenty-nine million, nine hundred seventy-eight thousand, five hundred seventy-nine".