22232312212312 has 16 divisors (see below), whose sum is σ = 41711918703840. Its totient is φ = 11109133891296.

The previous prime is 22232312212273. The next prime is 22232312212333. The reversal of 22232312212312 is 21321221323222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877763403 + ... + 877788730.

It is an arithmetic number, because the mean of its divisors is an integer number (2606994918990).

Almost surely, 2^{22232312212312} is an apocalyptic number.

It is an amenable number.

22232312212312 is a deficient number, since it is larger than the sum of its proper divisors (19479606491528).

22232312212312 is a wasteful number, since it uses less digits than its factorization.

22232312212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755553722 (or 1755553718 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 22232312212312 its reverse (21321221323222), we get a palindrome (43553533535534).

The spelling of 22232312212312 in words is "twenty-two trillion, two hundred thirty-two billion, three hundred twelve million, two hundred twelve thousand, three hundred twelve".