121200200120122 has 8 divisors (see below), whose sum is σ = 181827023749056. Its totient is φ = 60591192203772.

The previous prime is 121200200120101. The next prime is 121200200120123. The reversal of 121200200120122 is 221021002002121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 121200200120096 and 121200200120105.

It is not an unprimeable number, because it can be changed into a prime (121200200120123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4453911138 + ... + 4453938349.

It is an arithmetic number, because the mean of its divisors is an integer number (22728377968632).

Almost surely, 2^{121200200120122} is an apocalyptic number.

121200200120122 is a deficient number, since it is larger than the sum of its proper divisors (60626823628934).

121200200120122 is an equidigital number, since it uses as much as digits as its factorization.

121200200120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907856292.

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

Adding to 121200200120122 its reverse (221021002002121), we get a palindrome (342221202122243).

The spelling of 121200200120122 in words is "one hundred twenty-one trillion, two hundred billion, two hundred million, one hundred twenty thousand, one hundred twenty-two".