22233121012 has 24 divisors (see below), whose sum is σ = 40429071872. Its totient is φ = 10686708000.

The previous prime is 22233121003. The next prime is 22233121013. The reversal of 22233121012 is 21012133222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233121013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574983 + ... + 612430.

Almost surely, 2^22233121012 is an apocalyptic number.

It is an amenable number.

22233121012 is a deficient number, since it is larger than the sum of its proper divisors (18195950860).

22233121012 is a wasteful number, since it uses less digits than its factorization.

22233121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187599 (or 1187597 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22233121012 its reverse (21012133222), we get a palindrome (43245254234).

The spelling of 22233121012 in words is "twenty-two billion, two hundred thirty-three million, one hundred twenty-one thousand, twelve".