12023997049 has 2 divisors, whose sum is σ = 12023997050. Its totient is φ = 12023997048.

The previous prime is 12023997043. The next prime is 12023997053. The reversal of 12023997049 is 94079932021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11967266025 + 56731024 = 109395^2 + 7532^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023997049 - 2²³ = 12015608441 is a prime.

It is not a weakly prime, because it can be changed into another prime (12023997043) 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, 6011998524 + 6011998525.

It is an arithmetic number, because the mean of its divisors is an integer number (6011998525).

Almost surely, 2^12023997049 is an apocalyptic number.

It is an amenable number.

12023997049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023997049 is an equidigital number, since it uses as much as digits as its factorization.

12023997049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 12023997049 in words is "twelve billion, twenty-three million, nine hundred ninety-seven thousand, forty-nine".