22002001012012 has 24 divisors (see below), whose sum is σ = 44123903957504. Its totient is φ = 9403735733712.

The previous prime is 22002001012003. The next prime is 22002001012027. The reversal of 22002001012012 is 21021010020022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22002001011983 and 22002001012001.

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, 1070542518 + ... + 1070563069.

Almost surely, 2^{22002001012012} is an apocalyptic number.

It is an amenable number.

22002001012012 is an abundant number, since it is smaller than the sum of its proper divisors (22121902945492).

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

22002001012012 is a wasteful number, since it uses less digits than its factorization.

22002001012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141105965 (or 2141105963 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22002001012012 its reverse (21021010020022), we get a palindrome (43023011032034).

The spelling of 22002001012012 in words is "twenty-two trillion, two billion, one million, twelve thousand, twelve".