22000102012 has 24 divisors (see below), whose sum is σ = 44068883040. Its totient is φ = 9413898240.

The previous prime is 22000102009. The next prime is 22000102037. The reversal of 22000102012 is 21020100022.

It is a self number, because there is not a number n which added to its sum of digits gives 22000102012.

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, 594937 + ... + 630832.

It is an arithmetic number, because the mean of its divisors is an integer number (1836203460).

Almost surely, 2^22000102012 is an apocalyptic number.

It is an amenable number.

22000102012 is an abundant number, since it is smaller than the sum of its proper divisors (22068781028).

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

22000102012 is a wasteful number, since it uses less digits than its factorization.

22000102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226421 (or 1226419 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22000102012 its reverse (21020100022), we get a palindrome (43020202034).

It can be divided in two parts, 2200010 and 2012, that added together give a palindrome (2202022).

The spelling of 22000102012 in words is "twenty-two billion, one hundred two thousand, twelve".