12102203211220 has 24 divisors (see below), whose sum is σ = 25608631533408. Its totient is φ = 4803927991200.

The previous prime is 12102203211181. The next prime is 12102203211221. The reversal of 12102203211220 is 2211230220121.

12102203211220 is digitally balanced in base 2, 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 (12102203211221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309578146 + ... + 2309583385.

It is an arithmetic number, because the mean of its divisors is an integer number (1067026313892).

Almost surely, 2^{12102203211220} is an apocalyptic number.

12102203211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102203211220 is an abundant number, since it is smaller than the sum of its proper divisors (13506428322188).

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

12102203211220 is a wasteful number, since it uses less digits than its factorization.

12102203211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619161671 (or 4619161669 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12102203211220 its reverse (2211230220121), we get a palindrome (14313433431341).

The spelling of 12102203211220 in words is "twelve trillion, one hundred two billion, two hundred three million, two hundred eleven thousand, two hundred twenty".