12200121120120 has 64 divisors (see below), whose sum is σ = 36678736897920. Its totient is φ = 3246399095424.

The previous prime is 12200121120079. The next prime is 12200121120133. The reversal of 12200121120120 is 2102112100221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12200121120120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108795862 + ... + 108907941.

It is an arithmetic number, because the mean of its divisors is an integer number (573105264030).

Almost surely, 2^{12200121120120} is an apocalyptic number.

12200121120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200121120120 is an abundant number, since it is smaller than the sum of its proper divisors (24478615777800).

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

12200121120120 is a wasteful number, since it uses less digits than its factorization.

12200121120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217704284 (or 217704280 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12200121120120 its reverse (2102112100221), we get a palindrome (14302233220341).

The spelling of 12200121120120 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty".