22020220121012 has 24 divisors (see below), whose sum is σ = 38669757733152. Its totient is φ = 10971723456800.

The previous prime is 22020220120993. The next prime is 22020220121027. The reversal of 22020220121012 is 21012102202022.

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, 15359687 + ... + 16732017.

It is an arithmetic number, because the mean of its divisors is an integer number (1611239905548).

Almost surely, 2^{22020220121012} is an apocalyptic number.

It is an amenable number.

22020220121012 is a deficient number, since it is larger than the sum of its proper divisors (16649537612140).

22020220121012 is a wasteful number, since it uses less digits than its factorization.

22020220121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386319 (or 1386317 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22020220121012 its reverse (21012102202022), we get a palindrome (43032322323034).

The spelling of 22020220121012 in words is "twenty-two trillion, twenty billion, two hundred twenty million, one hundred twenty-one thousand, twelve".