12243233202156 has 72 divisors (see below), whose sum is σ = 34004532744000. Its totient is φ = 3683379494880.

The previous prime is 12243233202139. The next prime is 12243233202181. The reversal of 12243233202156 is 65120233234221.

12243233202156 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 323 + 320 + 2 + 1 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12243233202156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111158106 + ... + 111268193.

It is an arithmetic number, because the mean of its divisors is an integer number (472285177000).

Almost surely, 2^{12243233202156} is an apocalyptic number.

It is an amenable number.

12243233202156 is an abundant number, since it is smaller than the sum of its proper divisors (21761299541844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243233202156 is a wasteful number, since it uses less digits than its factorization.

12243233202156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222426459 (or 222426454 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 12243233202156 its reverse (65120233234221), we get a palindrome (77363466436377).

The spelling of 12243233202156 in words is "twelve trillion, two hundred forty-three billion, two hundred thirty-three million, two hundred two thousand, one hundred fifty-six".