12020211100220 has 24 divisors (see below), whose sum is σ = 25244388124704. Its totient is φ = 4807713999296.

The previous prime is 12020211100217. The next prime is 12020211100237. The reversal of 12020211100220 is 2200111202021.

It is a junction number, because it is equal to n+sod(n) for n = 12020211100195 and 12020211100204.

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, 22886399 + ... + 23405718.

It is an arithmetic number, because the mean of its divisors is an integer number (1051849505196).

Almost surely, 2^{12020211100220} is an apocalyptic number.

12020211100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020211100220 is an abundant number, since it is smaller than the sum of its proper divisors (13224177024484).

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

12020211100220 is a wasteful number, since it uses less digits than its factorization.

12020211100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46305109 (or 46305107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020211100220 its reverse (2200111202021), we get a palindrome (14220322302241).

The spelling of 12020211100220 in words is "twelve trillion, twenty billion, two hundred eleven million, one hundred thousand, two hundred twenty".