12102201212120 has 64 divisors (see below), whose sum is σ = 27905506473600. Its totient is φ = 4720878622720.

The previous prime is 12102201212119. The next prime is 12102201212183. The reversal of 12102201212120 is 2121210220121.

12102201212120 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505236 + ... + 5520924.

It is an arithmetic number, because the mean of its divisors is an integer number (436023538650).

Almost surely, 2^{12102201212120} is an apocalyptic number.

12102201212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102201212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13952753236800).

12102201212120 is an abundant number, since it is smaller than the sum of its proper divisors (15803305261480).

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

12102201212120 is a wasteful number, since it uses less digits than its factorization.

12102201212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018188 (or 3018184 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12102201212120 its reverse (2121210220121), we get a palindrome (14223411432241).

The spelling of 12102201212120 in words is "twelve trillion, one hundred two billion, two hundred one million, two hundred twelve thousand, one hundred twenty".