12231211042225 has 12 divisors (see below), whose sum is σ = 17333373362944. Its totient is φ = 8387116143120.

The previous prime is 12231211042187. The next prime is 12231211042231. The reversal of 12231211042225 is 52224011213221.

It is not a de Polignac number, because 12231211042225 - 2²³ = 12231202653617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12231211042193 and 12231211042202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34946317089 + ... + 34946317438.

Almost surely, 2^{12231211042225} is an apocalyptic number.

It is an amenable number.

12231211042225 is a deficient number, since it is larger than the sum of its proper divisors (5102162320719).

12231211042225 is an equidigital number, since it uses as much as digits as its factorization.

12231211042225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69892634544 (or 69892634539 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12231211042225 its reverse (52224011213221), we get a palindrome (64455222255446).

The spelling of 12231211042225 in words is "twelve trillion, two hundred thirty-one billion, two hundred eleven million, forty-two thousand, two hundred twenty-five".