12444660612149 has 2 divisors, whose sum is σ = 12444660612150. Its totient is φ = 12444660612148.

The previous prime is 12444660612049. The next prime is 12444660612169. The reversal of 12444660612149 is 94121606644421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8647969392049 + 3796691220100 = 2940743^2 + 1948510^2 .

It is a cyclic number.

It is not a de Polignac number, because 12444660612149 - 2²⁸ = 12444392176693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12444660612097 and 12444660612106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444660612169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222330306074 + 6222330306075.

It is an arithmetic number, because the mean of its divisors is an integer number (6222330306075).

Almost surely, 2^{12444660612149} is an apocalyptic number.

It is an amenable number.

12444660612149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444660612149 is an equidigital number, since it uses as much as digits as its factorization.

12444660612149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 12444660612149 in words is "twelve trillion, four hundred forty-four billion, six hundred sixty million, six hundred twelve thousand, one hundred forty-nine".