12205122430552 has 64 divisors (see below), whose sum is σ = 23642256533760. Its totient is φ = 5900847321600.

The previous prime is 12205122430537. The next prime is 12205122430703. The reversal of 12205122430552 is 25503422150221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981948218 + ... + 2981952310.

It is an arithmetic number, because the mean of its divisors is an integer number (369410258340).

Almost surely, 2^{12205122430552} is an apocalyptic number.

It is an amenable number.

12205122430552 is a deficient number, since it is larger than the sum of its proper divisors (11437134103208).

12205122430552 is a wasteful number, since it uses less digits than its factorization.

12205122430552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084 (or 11080 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 12205122430552 its reverse (25503422150221), we get a palindrome (37708544580773).

The spelling of 12205122430552 in words is "twelve trillion, two hundred five billion, one hundred twenty-two million, four hundred thirty thousand, five hundred fifty-two".