22131323000000 has 196 divisors, whose sum is σ = 55074928625640. Its totient is φ = 8823571200000.

The previous prime is 22131322999957. The next prime is 22131323000011. The reversal of 22131323000000 is 32313122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 306963956 + ... + 307036044.

Almost surely, 2^{22131323000000} is an apocalyptic number.

22131323000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22131323000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27537464312820).

22131323000000 is an abundant number, since it is smaller than the sum of its proper divisors (32943605625640).

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

22131323000000 is an frugal number, since it uses more digits than its factorization.

22131323000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72438 (or 72403 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22131323000000 its reverse (32313122), we get a palindrome (22131355313122).

The spelling of 22131323000000 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred twenty-three million", and thus it is an aban number.