121200012002200 has 48 divisors (see below), whose sum is σ = 282118838138280. Its totient is φ = 48423435298560.

The previous prime is 121200012002149. The next prime is 121200012002219. The reversal of 121200012002200 is 2200210002121.

It is a happy number.

121200012002200 is digitally balanced in base 3, 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353387562 + ... + 353730361.

Almost surely, 2^{121200012002200} is an apocalyptic number.

121200012002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121200012002200 is an abundant number, since it is smaller than the sum of its proper divisors (160918826136080).

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

121200012002200 is a wasteful number, since it uses less digits than its factorization.

121200012002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707118796 (or 707118787 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121200012002200 its reverse (2200210002121), we get a palindrome (123400222004321).

The spelling of 121200012002200 in words is "one hundred twenty-one trillion, two hundred billion, twelve million, two thousand, two hundred".