12202221220220 has 24 divisors (see below), whose sum is σ = 25624767285600. Its totient is φ = 4880868921792.

The previous prime is 12202221220219. The next prime is 12202221220271. The reversal of 12202221220220 is 2202212220221.

12202221220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12202221220192 and 12202221220201.

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, 4557266 + ... + 6721094.

It is an arithmetic number, because the mean of its divisors is an integer number (1067698636900).

Almost surely, 2^{12202221220220} is an apocalyptic number.

12202221220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202221220220 is an abundant number, since it is smaller than the sum of its proper divisors (13422546065380).

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

12202221220220 is a wasteful number, since it uses less digits than its factorization.

12202221220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445797 (or 2445795 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12202221220220 its reverse (2202212220221), we get a palindrome (14404433440441).

It can be divided in two parts, 1220222 and 1220220, that added together give a palindrome (2440442).

The spelling of 12202221220220 in words is "twelve trillion, two hundred two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty".