121200121200202 has 64 divisors (see below), whose sum is σ = 202236889656960. Its totient is φ = 54015985408000.

The previous prime is 121200121200173. The next prime is 121200121200229. The reversal of 121200121200202 is 202002121002121.

It is a happy number.

121200121200202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660151074 + ... + 660334642.

It is an arithmetic number, because the mean of its divisors is an integer number (3159951400890).

Almost surely, 2^{121200121200202} is an apocalyptic number.

121200121200202 is a deficient number, since it is larger than the sum of its proper divisors (81036768456758).

121200121200202 is a wasteful number, since it uses less digits than its factorization.

121200121200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186567.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121200121200202 its reverse (202002121002121), we get a palindrome (323202242202323).

The spelling of 121200121200202 in words is "one hundred twenty-one trillion, two hundred billion, one hundred twenty-one million, two hundred thousand, two hundred two".