1201223112 has 32 divisors (see below), whose sum is σ = 3015960480. Its totient is φ = 398687360.

The previous prime is 1201223099. The next prime is 1201223119. The reversal of 1201223112 is 2113221021.

It is a junction number, because it is equal to n+sod(n) for n = 1201223091 and 1201223100.

It is not an unprimeable number, because it can be changed into a prime (1201223119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101814 + ... + 112997.

It is an arithmetic number, because the mean of its divisors is an integer number (94248765).

Almost surely, 2^1201223112 is an apocalyptic number.

1201223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201223112 is an abundant number, since it is smaller than the sum of its proper divisors (1814737368).

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

1201223112 is a wasteful number, since it uses less digits than its factorization.

1201223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215053 (or 215049 counting only the distinct ones).

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

The square root of 1201223112 is about 34658.6657562001. The cubic root of 1201223112 is about 1063.0194883779.

Adding to 1201223112 its reverse (2113221021), we get a palindrome (3314444133).

The spelling of 1201223112 in words is "one billion, two hundred one million, two hundred twenty-three thousand, one hundred twelve".