121200020222122 has 48 divisors (see below), whose sum is σ = 191527311241728. Its totient is φ = 57514178870720.

The previous prime is 121200020222027. The next prime is 121200020222137. The reversal of 121200020222122 is 221222020002121.

It is a self number, because there is not a number n which added to its sum of digits gives 121200020222122.

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 23 ways as a sum of consecutive naturals, for example, 984400038 + ... + 984523150.

It is an arithmetic number, because the mean of its divisors is an integer number (3990152317536).

Almost surely, 2^{121200020222122} is an apocalyptic number.

121200020222122 is a deficient number, since it is larger than the sum of its proper divisors (70327291019606).

121200020222122 is a wasteful number, since it uses less digits than its factorization.

121200020222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130395 (or 130372 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121200020222122 its reverse (221222020002121), we get a palindrome (342422040224243).

The spelling of 121200020222122 in words is "one hundred twenty-one trillion, two hundred billion, twenty million, two hundred twenty-two thousand, one hundred twenty-two".