12241566149 has 2 divisors, whose sum is σ = 12241566150. Its totient is φ = 12241566148.

The previous prime is 12241566131. The next prime is 12241566173. The reversal of 12241566149 is 94166514221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7099242049 + 5142324100 = 84257^2 + 71710^2 .

It is a cyclic number.

It is not a de Polignac number, because 12241566149 - 2²⁸ = 11973130693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12241566109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120783074 + 6120783075.

It is an arithmetic number, because the mean of its divisors is an integer number (6120783075).

Almost surely, 2^12241566149 is an apocalyptic number.

It is an amenable number.

12241566149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12241566149 is an equidigital number, since it uses as much as digits as its factorization.

12241566149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The spelling of 12241566149 in words is "twelve billion, two hundred forty-one million, five hundred sixty-six thousand, one hundred forty-nine".