12262515444209 has 2 divisors, whose sum is σ = 12262515444210. Its totient is φ = 12262515444208.

The previous prime is 12262515444197. The next prime is 12262515444211. The reversal of 12262515444209 is 90244451526221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12152753766400 + 109761677809 = 3486080^2 + 331303^2 .

It is a cyclic number.

It is not a de Polignac number, because 12262515444209 - 2³² = 12258220476913 is a prime.

Together with 12262515444211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12262515444229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6131257722104 + 6131257722105.

It is an arithmetic number, because the mean of its divisors is an integer number (6131257722105).

Almost surely, 2^{12262515444209} is an apocalyptic number.

It is an amenable number.

12262515444209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12262515444209 is an equidigital number, since it uses as much as digits as its factorization.

12262515444209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 12262515444209 in words is "twelve trillion, two hundred sixty-two billion, five hundred fifteen million, four hundred forty-four thousand, two hundred nine".