12200121100120 has 64 divisors (see below), whose sum is σ = 29104974924480. Its totient is φ = 4586668855296.

The previous prime is 12200121100043. The next prime is 12200121100127. The reversal of 12200121100120 is 2100112100221.

12200121100120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12200121100120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200121100127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11844949 + ... + 12833668.

It is an arithmetic number, because the mean of its divisors is an integer number (454765233195).

Almost surely, 2^{12200121100120} is an apocalyptic number.

12200121100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200121100120 is an abundant number, since it is smaller than the sum of its proper divisors (16904853824360).

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

12200121100120 is a wasteful number, since it uses less digits than its factorization.

12200121100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24679372 (or 24679368 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12200121100120 its reverse (2100112100221), we get a palindrome (14300233200341).

The spelling of 12200121100120 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, one hundred thousand, one hundred twenty".