1200022120112 has 80 divisors (see below), whose sum is σ = 2392406474400. Its totient is φ = 582875166720.

The previous prime is 1200022120061. The next prime is 1200022120127. The reversal of 1200022120112 is 2110212200021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204744062 + ... + 204749922.

It is an arithmetic number, because the mean of its divisors is an integer number (29905080930).

Almost surely, 2^{1200022120112} is an apocalyptic number.

It is an amenable number.

1200022120112 is a deficient number, since it is larger than the sum of its proper divisors (1192384354288).

1200022120112 is a wasteful number, since it uses less digits than its factorization.

1200022120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454 (or 8448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200022120112 its reverse (2110212200021), we get a palindrome (3310234320133).

The spelling of 1200022120112 in words is "one trillion, two hundred billion, twenty-two million, one hundred twenty thousand, one hundred twelve".