22132311012312 has 16 divisors (see below), whose sum is σ = 55330777530840. Its totient is φ = 7377437004096.

The previous prime is 22132311012307. The next prime is 22132311012323. The reversal of 22132311012312 is 21321011323122.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 922179625513 = 22132311012312 / (2 + 2 + 1 + 3 + 2 + 3 + 1 + 1 + 0 + 1 + 2 + 3 + 1 + 2).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 461089812733 + ... + 461089812780.

Almost surely, 2^{22132311012312} is an apocalyptic number.

It is an amenable number.

22132311012312 is an abundant number, since it is smaller than the sum of its proper divisors (33198466518528).

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

22132311012312 is a wasteful number, since it uses less digits than its factorization.

22132311012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922179625522 (or 922179625518 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 22132311012312 its reverse (21321011323122), we get a palindrome (43453322335434).

The spelling of 22132311012312 in words is "twenty-two trillion, one hundred thirty-two billion, three hundred eleven million, twelve thousand, three hundred twelve".