1201322112 has 32 divisors (see below), whose sum is σ = 3191012880. Its totient is φ = 400440576.

The previous prime is 1201322093. The next prime is 1201322117. The reversal of 1201322112 is 2112231021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1201322091 and 1201322100.

It is not an unprimeable number, because it can be changed into a prime (1201322117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563838 + ... + 1564605.

Almost surely, 2^1201322112 is an apocalyptic number.

1201322112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201322112 is an abundant number, since it is smaller than the sum of its proper divisors (1989690768).

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

1201322112 is an equidigital number, since it uses as much as digits as its factorization.

1201322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128460 (or 3128448 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201322112 is about 34660.0939410152. The cubic root of 1201322112 is about 1063.0486908459.

Adding to 1201322112 its reverse (2112231021), we get a palindrome (3313553133).

The spelling of 1201322112 in words is "one billion, two hundred one million, three hundred twenty-two thousand, one hundred twelve".