22000231012312 has 128 divisors (see below), whose sum is σ = 50006263680000. Its totient is φ = 8869681497600.

The previous prime is 22000231012261. The next prime is 22000231012321. The reversal of 22000231012312 is 21321013200022.

It is a self number, because there is not a number n which added to its sum of digits gives 22000231012312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792815814 + ... + 792843562.

It is an arithmetic number, because the mean of its divisors is an integer number (390673935000).

Almost surely, 2^{22000231012312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000231012312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25003131840000).

22000231012312 is an abundant number, since it is smaller than the sum of its proper divisors (28006032667688).

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

22000231012312 is a wasteful number, since it uses less digits than its factorization.

22000231012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37937 (or 37933 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22000231012312 its reverse (21321013200022), we get a palindrome (43321244212334).

The spelling of 22000231012312 in words is "twenty-two trillion, two hundred thirty-one million, twelve thousand, three hundred twelve".