22201332012 has 24 divisors (see below), whose sum is σ = 57559009200. Its totient is φ = 7400443968.

The previous prime is 22201331927. The next prime is 22201332029. The reversal of 22201332012 is 21023310222.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 7 ways as a sum of consecutive naturals, for example, 102783837 + ... + 102784052.

It is an arithmetic number, because the mean of its divisors is an integer number (2398292050).

Almost surely, 2^22201332012 is an apocalyptic number.

It is an amenable number.

22201332012 is an abundant number, since it is smaller than the sum of its proper divisors (35357677188).

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

22201332012 is a wasteful number, since it uses less digits than its factorization.

22201332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205567902 (or 205567894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22201332012 its reverse (21023310222), we get a palindrome (43224642234).

The spelling of 22201332012 in words is "twenty-two billion, two hundred one million, three hundred thirty-two thousand, twelve".