22131333022312 has 8 divisors (see below), whose sum is σ = 41496249416850. Its totient is φ = 11065666511152.

The previous prime is 22131333022307. The next prime is 22131333022333. The reversal of 22131333022312 is 21322033313122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15284768861476 + 6846564160836 = 3909574^2 + 2616594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383208313887 + ... + 1383208313902.

Almost surely, 2^{22131333022312} is an apocalyptic number.

It is an amenable number.

22131333022312 is a deficient number, since it is larger than the sum of its proper divisors (19364916394538).

22131333022312 is a wasteful number, since it uses less digits than its factorization.

22131333022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766416627795 (or 2766416627791 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 22131333022312 its reverse (21322033313122), we get a palindrome (43453366335434).

The spelling of 22131333022312 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred thirty-three million, twenty-two thousand, three hundred twelve".