22001202012 has 24 divisors (see below), whose sum is σ = 51985964800. Its totient is φ = 7240901616.

The previous prime is 22001201993. The next prime is 22001202029. The reversal of 22001202012 is 21020210022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11603062 + ... + 11604957.

Almost surely, 2^22001202012 is an apocalyptic number.

It is an amenable number.

22001202012 is an abundant number, since it is smaller than the sum of its proper divisors (29984762788).

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

22001202012 is a wasteful number, since it uses less digits than its factorization.

22001202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23208105 (or 23208103 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22001202012 its reverse (21020210022), we get a palindrome (43021412034).

The spelling of 22001202012 in words is "twenty-two billion, one million, two hundred two thousand, twelve".