121200122202 has 8 divisors (see below), whose sum is σ = 242400244416. Its totient is φ = 40400040732.

The previous prime is 121200122159. The next prime is 121200122207. The reversal of 121200122202 is 202221002121.

It is a sphenic number, since it is the product of 3 distinct primes.

121200122202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121200122207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100010178 + ... + 10100010189.

It is an arithmetic number, because the mean of its divisors is an integer number (30300030552).

Almost surely, 2^121200122202 is an apocalyptic number.

121200122202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121200122202 is a wasteful number, since it uses less digits than its factorization.

121200122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20200020372.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121200122202 its reverse (202221002121), we get a palindrome (323421124323).

The spelling of 121200122202 in words is "one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred two".