12225325291 has 2 divisors, whose sum is σ = 12225325292. Its totient is φ = 12225325290.

The previous prime is 12225325237. The next prime is 12225325319. The reversal of 12225325291 is 19252352221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12225325291 - 2⁷ = 12225325163 is a prime.

It is not a weakly prime, because it can be changed into another prime (12225325691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112662645 + 6112662646.

It is an arithmetic number, because the mean of its divisors is an integer number (6112662646).

Almost surely, 2^12225325291 is an apocalyptic number.

12225325291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225325291 is an equidigital number, since it uses as much as digits as its factorization.

12225325291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The spelling of 12225325291 in words is "twelve billion, two hundred twenty-five million, three hundred twenty-five thousand, two hundred ninety-one".