121200220000202 has 64 divisors (see below), whose sum is σ = 208584259488000. Its totient is φ = 51740192655360.

The previous prime is 121200220000183. The next prime is 121200220000213. The reversal of 121200220000202 is 202000022002121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 27868523924 + ... + 27868528272.

It is an arithmetic number, because the mean of its divisors is an integer number (3259129054500).

Almost surely, 2^{121200220000202} is an apocalyptic number.

121200220000202 is a deficient number, since it is larger than the sum of its proper divisors (87384039487798).

121200220000202 is a wasteful number, since it uses less digits than its factorization.

121200220000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121200220000202 its reverse (202000022002121), we get a palindrome (323200242002323).

The spelling of 121200220000202 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twenty million, two hundred two", and thus it is an aban number.