22100012020212 has 48 divisors (see below), whose sum is σ = 58935758525952. Its totient is φ = 6314032740960.

The previous prime is 22100012020193. The next prime is 22100012020213. The reversal of 22100012020212 is 21202021000122.

It is a junction number, because it is equal to n+sod(n) for n = 22100012020191 and 22100012020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100012020213) 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, 3256114 + ... + 7402857.

It is an arithmetic number, because the mean of its divisors is an integer number (1227828302624).

Almost surely, 2^{22100012020212} is an apocalyptic number.

It is an amenable number.

22100012020212 is an abundant number, since it is smaller than the sum of its proper divisors (36835746505740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100012020212 is a wasteful number, since it uses less digits than its factorization.

22100012020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10683668 (or 10683666 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22100012020212 its reverse (21202021000122), we get a palindrome (43302033020334).

The spelling of 22100012020212 in words is "twenty-two trillion, one hundred billion, twelve million, twenty thousand, two hundred twelve".