12225403253506 has 4 divisors (see below), whose sum is σ = 18338104880262. Its totient is φ = 6112701626752.

The previous prime is 12225403253429. The next prime is 12225403253579. The reversal of 12225403253506 is 60535230452221.

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

It can be written as a sum of positive squares in only one way, i.e., 9925051664025 + 2300351589481 = 3150405^2 + 1516691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056350813375 + ... + 3056350813378.

Almost surely, 2^{12225403253506} is an apocalyptic number.

12225403253506 is a deficient number, since it is larger than the sum of its proper divisors (6112701626756).

12225403253506 is an equidigital number, since it uses as much as digits as its factorization.

12225403253506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112701626755.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 12225403253506 in words is "twelve trillion, two hundred twenty-five billion, four hundred three million, two hundred fifty-three thousand, five hundred six".