22120020101212 has 48 divisors (see below), whose sum is σ = 42863724620640. Its totient is φ = 9904471136000.

The previous prime is 22120020101191. The next prime is 22120020101219. The reversal of 22120020101212 is 21210102002122.

It is a happy number.

22120020101212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120020101219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11757787 + ... + 13508722.

It is an arithmetic number, because the mean of its divisors is an integer number (892994262930).

Almost surely, 2^{22120020101212} is an apocalyptic number.

22120020101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22120020101212 is a deficient number, since it is larger than the sum of its proper divisors (20743704519428).

22120020101212 is a wasteful number, since it uses less digits than its factorization.

22120020101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25266822 (or 25266820 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120020101212 its reverse (21210102002122), we get a palindrome (43330122103334).

The spelling of 22120020101212 in words is "twenty-two trillion, one hundred twenty billion, twenty million, one hundred one thousand, two hundred twelve".