12133313225 has 24 divisors (see below), whose sum is σ = 16794779232. Its totient is φ = 8619004800.

The previous prime is 12133313221. The next prime is 12133313263. The reversal of 12133313225 is 52231333121.

It is not a de Polignac number, because 12133313225 - 2² = 12133313221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12133313194 and 12133313203.

It is not an unprimeable number, because it can be changed into a prime (12133313221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501212 + ... + 524861.

It is an arithmetic number, because the mean of its divisors is an integer number (699782468).

Almost surely, 2^12133313225 is an apocalyptic number.

It is an amenable number.

12133313225 is a deficient number, since it is larger than the sum of its proper divisors (4661466007).

12133313225 is a wasteful number, since it uses less digits than its factorization.

12133313225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026137 (or 1026132 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

Adding to 12133313225 its reverse (52231333121), we get a palindrome (64364646346).

The spelling of 12133313225 in words is "twelve billion, one hundred thirty-three million, three hundred thirteen thousand, two hundred twenty-five".