12200121220276 has 24 divisors (see below), whose sum is σ = 24661207601856. Its totient is φ = 5219303195520.

The previous prime is 12200121220033. The next prime is 12200121220277. The reversal of 12200121220276 is 67202212100221.

12200121220276 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 (12200121220277) 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, 8155160496 + ... + 8155161991.

It is an arithmetic number, because the mean of its divisors is an integer number (1027550316744).

Almost surely, 2^{12200121220276} is an apocalyptic number.

It is an amenable number.

12200121220276 is an abundant number, since it is smaller than the sum of its proper divisors (12461086381580).

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

12200121220276 is a wasteful number, since it uses less digits than its factorization.

12200121220276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310322519 (or 16310322517 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 12200121220276 its reverse (67202212100221), we get a palindrome (79402333320497).

The spelling of 12200121220276 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred twenty thousand, two hundred seventy-six".