12081298049 has 2 divisors, whose sum is σ = 12081298050. Its totient is φ = 12081298048.

The previous prime is 12081298003. The next prime is 12081298069. The reversal of 12081298049 is 94089218021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8469889024 + 3611409025 = 92032^2 + 60095^2 .

It is a cyclic number.

It is not a de Polignac number, because 12081298049 - 2²⁴ = 12064520833 is a prime.

It is not a weakly prime, because it can be changed into another prime (12081298069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040649024 + 6040649025.

It is an arithmetic number, because the mean of its divisors is an integer number (6040649025).

Almost surely, 2^12081298049 is an apocalyptic number.

It is an amenable number.

12081298049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081298049 is an equidigital number, since it uses as much as digits as its factorization.

12081298049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 12081298049 in words is "twelve billion, eighty-one million, two hundred ninety-eight thousand, forty-nine".