12225082872397 has 4 divisors (see below), whose sum is σ = 12266806705020. Its totient is φ = 12183359039776.

The previous prime is 12225082872391. The next prime is 12225082872433. The reversal of 12225082872397 is 79327828052221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5354660792196 + 6870422080201 = 2314014^2 + 2621149^2 .

It is a cyclic number.

It is not a de Polignac number, because 12225082872397 - 2³ = 12225082872389 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225082872391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20861915872 + ... + 20861916457.

It is an arithmetic number, because the mean of its divisors is an integer number (3066701676255).

Almost surely, 2^{12225082872397} is an apocalyptic number.

It is an amenable number.

12225082872397 is a deficient number, since it is larger than the sum of its proper divisors (41723832623).

12225082872397 is an equidigital number, since it uses as much as digits as its factorization.

12225082872397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41723832622.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 12225082872397 in words is "twelve trillion, two hundred twenty-five billion, eighty-two million, eight hundred seventy-two thousand, three hundred ninety-seven".