22122312412 has 24 divisors (see below), whose sum is σ = 39158970480. Its totient is φ = 10934098560.

The previous prime is 22122312403. The next prime is 22122312463. The reversal of 22122312412 is 21421322122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757487 + ... + 2765497.

It is an arithmetic number, because the mean of its divisors is an integer number (1631623770).

Almost surely, 2^22122312412 is an apocalyptic number.

It is an amenable number.

22122312412 is a deficient number, since it is larger than the sum of its proper divisors (17036658068).

22122312412 is a wasteful number, since it uses less digits than its factorization.

22122312412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15861 (or 15859 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

Adding to 22122312412 its reverse (21421322122), we get a palindrome (43543634534).

The spelling of 22122312412 in words is "twenty-two billion, one hundred twenty-two million, three hundred twelve thousand, four hundred twelve".