22202020221212 has 24 divisors (see below), whose sum is σ = 41842874237472. Its totient is φ = 10246938004800.

The previous prime is 22202020221163. The next prime is 22202020221229. The reversal of 22202020221212 is 21212202020222.

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, 581762 + ... + 6688982.

It is an arithmetic number, because the mean of its divisors is an integer number (1743453093228).

Almost surely, 2^{22202020221212} is an apocalyptic number.

It is an amenable number.

22202020221212 is a deficient number, since it is larger than the sum of its proper divisors (19640854016260).

22202020221212 is a wasteful number, since it uses less digits than its factorization.

22202020221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177149 (or 6177147 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22202020221212 its reverse (21212202020222), we get a palindrome (43414222241434).

The spelling of 22202020221212 in words is "twenty-two trillion, two hundred two billion, twenty million, two hundred twenty-one thousand, two hundred twelve".