1200120030122 has 16 divisors (see below), whose sum is σ = 1979903423232. Its totient is φ = 542116412400.

The previous prime is 1200120030103. The next prime is 1200120030157. The reversal of 1200120030122 is 2210300210021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200120030097 and 1200120030106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491046254 + ... + 491048697.

It is an arithmetic number, because the mean of its divisors is an integer number (123743963952).

Almost surely, 2^{1200120030122} is an apocalyptic number.

1200120030122 is a deficient number, since it is larger than the sum of its proper divisors (779783393110).

1200120030122 is a wasteful number, since it uses less digits than its factorization.

1200120030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982095013.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1200120030122 its reverse (2210300210021), we get a palindrome (3410420240143).

The spelling of 1200120030122 in words is "one trillion, two hundred billion, one hundred twenty million, thirty thousand, one hundred twenty-two".