1200122200112 has 160 divisors (see below), whose sum is σ = 2758891705344. Its totient is φ = 499582668800.

The previous prime is 1200122200111. The next prime is 1200122200181. The reversal of 1200122200112 is 2110022210021.

It is not an unprimeable number, because it can be changed into a prime (1200122200111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24303287 + ... + 24352617.

Almost surely, 2^{1200122200112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200122200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379445852672).

1200122200112 is an abundant number, since it is smaller than the sum of its proper divisors (1558769505232).

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

1200122200112 is a wasteful number, since it uses less digits than its factorization.

1200122200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49587 (or 49581 counting only the distinct ones).

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

Adding to 1200122200112 its reverse (2110022210021), we get a palindrome (3310144410133).

Subtracting 1200122200112 from its reverse (2110022210021), we obtain a palindrome (909900009909).

The spelling of 1200122200112 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred thousand, one hundred twelve".