22131022312312 has 16 divisors (see below), whose sum is σ = 41585679135000. Its totient is φ = 11041507876320.

The previous prime is 22131022312279. The next prime is 22131022312393. The reversal of 22131022312312 is 21321322013122.

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, 3000406062 + ... + 3000413437.

Almost surely, 2^{22131022312312} is an apocalyptic number.

It is an amenable number.

22131022312312 is a deficient number, since it is larger than the sum of its proper divisors (19454656822688).

22131022312312 is a wasteful number, since it uses less digits than its factorization.

22131022312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000819966 (or 6000819962 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22131022312312 its reverse (21321322013122), we get a palindrome (43452344325434).

The spelling of 22131022312312 in words is "twenty-two trillion, one hundred thirty-one billion, twenty-two million, three hundred twelve thousand, three hundred twelve".