12265155005221 has 8 divisors (see below), whose sum is σ = 12966100168320. Its totient is φ = 11569750911072.

The previous prime is 12265155005203. The next prime is 12265155005227. The reversal of 12265155005221 is 12250055156221.

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

It is a cyclic number.

It is not a de Polignac number, because 12265155005221 - 2⁵ = 12265155005189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265155005227) 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, 1385262685 + ... + 1385271538.

It is an arithmetic number, because the mean of its divisors is an integer number (1620762521040).

Almost surely, 2^{12265155005221} is an apocalyptic number.

It is an amenable number.

12265155005221 is a deficient number, since it is larger than the sum of its proper divisors (700945163099).

12265155005221 is a wasteful number, since it uses less digits than its factorization.

12265155005221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770534475.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 12265155005221 in words is "twelve trillion, two hundred sixty-five billion, one hundred fifty-five million, five thousand, two hundred twenty-one".