22135123372 has 24 divisors (see below), whose sum is σ = 38945535552. Its totient is φ = 11007984000.

The previous prime is 22135123369. The next prime is 22135123391. The reversal of 22135123372 is 27332153122.

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, 557997 + ... + 596347.

It is an arithmetic number, because the mean of its divisors is an integer number (1622730648).

Almost surely, 2^22135123372 is an apocalyptic number.

It is an amenable number.

22135123372 is a deficient number, since it is larger than the sum of its proper divisors (16810412180).

22135123372 is a wasteful number, since it uses less digits than its factorization.

22135123372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39129 (or 39127 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

Adding to 22135123372 its reverse (27332153122), we get a palindrome (49467276494).

The spelling of 22135123372 in words is "twenty-two billion, one hundred thirty-five million, one hundred twenty-three thousand, three hundred seventy-two".