12225653439 has 8 divisors (see below), whose sum is σ = 16301950080. Its totient is φ = 8149896216.

The previous prime is 12225653431. The next prime is 12225653501. The reversal of 12225653439 is 93435652221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12225653439 - 2³ = 12225653431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12225653439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225653431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78619 + ... + 175020.

It is an arithmetic number, because the mean of its divisors is an integer number (2037743760).

Almost surely, 2^12225653439 is an apocalyptic number.

12225653439 is a deficient number, since it is larger than the sum of its proper divisors (4076296641).

12225653439 is a wasteful number, since it uses less digits than its factorization.

12225653439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269709.

The product of its digits is 388800, while the sum is 42.

The spelling of 12225653439 in words is "twelve billion, two hundred twenty-five million, six hundred fifty-three thousand, four hundred thirty-nine".