12100202212220 has 24 divisors (see below), whose sum is σ = 26230115764608. Its totient is φ = 4683949243200.

The previous prime is 12100202212207. The next prime is 12100202212277. The reversal of 12100202212220 is 2221220200121.

It is a happy number.

It is a super-2 number, since 2×12100202212220² (a number of 27 digits) contains 22 as substring.

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, 9758226971 + ... + 9758228210.

It is an arithmetic number, because the mean of its divisors is an integer number (1092921490192).

Almost surely, 2^{12100202212220} is an apocalyptic number.

12100202212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100202212220 is an abundant number, since it is smaller than the sum of its proper divisors (14129913552388).

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

12100202212220 is a wasteful number, since it uses less digits than its factorization.

12100202212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19516455221 (or 19516455219 counting only the distinct ones).

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

Adding to 12100202212220 its reverse (2221220200121), we get a palindrome (14321422412341).

The spelling of 12100202212220 in words is "twelve trillion, one hundred billion, two hundred two million, two hundred twelve thousand, two hundred twenty".