22122020121212 has 36 divisors (see below), whose sum is σ = 42553400704920. Its totient is φ = 10055343972960.

The previous prime is 22122020121119. The next prime is 22122020121259. The reversal of 22122020121212 is 21212102022122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50012714 + ... + 50453102.

It is an arithmetic number, because the mean of its divisors is an integer number (1182038908470).

Almost surely, 2^{22122020121212} is an apocalyptic number.

22122020121212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22122020121212 is a deficient number, since it is larger than the sum of its proper divisors (20431380583708).

22122020121212 is a wasteful number, since it uses less digits than its factorization.

22122020121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544202 (or 544189 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22122020121212 its reverse (21212102022122), we get a palindrome (43334122143334).

The spelling of 22122020121212 in words is "twenty-two trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, two hundred twelve".