22055210012 has 24 divisors (see below), whose sum is σ = 42127368192. Its totient is φ = 10019865200.

The previous prime is 22055209993. The next prime is 22055210029. The reversal of 22055210012 is 21001255022.

It is a happy number.

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, 44828 + ... + 214755.

It is an arithmetic number, because the mean of its divisors is an integer number (1755307008).

Almost surely, 2^22055210012 is an apocalyptic number.

22055210012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22055210012 is a deficient number, since it is larger than the sum of its proper divisors (20072158180).

22055210012 is a wasteful number, since it uses less digits than its factorization.

22055210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261529 (or 261527 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 22055210012 its reverse (21001255022), we get a palindrome (43056465034).

The spelling of 22055210012 in words is "twenty-two billion, fifty-five million, two hundred ten thousand, twelve".