12015202049 has 2 divisors, whose sum is σ = 12015202050. Its totient is φ = 12015202048.

The previous prime is 12015202033. The next prime is 12015202091. The reversal of 12015202049 is 94020251021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11665512049 + 349690000 = 108007^2 + 18700^2 .

It is a cyclic number.

It is not a de Polignac number, because 12015202049 - 2⁴ = 12015202033 is a prime.

It is not a weakly prime, because it can be changed into another prime (12015202009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007601024 + 6007601025.

It is an arithmetic number, because the mean of its divisors is an integer number (6007601025).

Almost surely, 2^12015202049 is an apocalyptic number.

It is an amenable number.

12015202049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12015202049 is an equidigital number, since it uses as much as digits as its factorization.

12015202049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 12015202049 in words is "twelve billion, fifteen million, two hundred two thousand, forty-nine".