1122003312 has 20 divisors (see below), whose sum is σ = 2898508680. Its totient is φ = 374001088.

The previous prime is 1122003293. The next prime is 1122003313. The reversal of 1122003312 is 2133002211.

It is a junction number, because it is equal to n+sod(n) for n = 1122003291 and 1122003300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122003313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11687487 + ... + 11687582.

It is an arithmetic number, because the mean of its divisors is an integer number (144925434).

Almost surely, 2^1122003312 is an apocalyptic number.

1122003312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122003312 is an abundant number, since it is smaller than the sum of its proper divisors (1776505368).

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

1122003312 is a wasteful number, since it uses less digits than its factorization.

1122003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23375080 (or 23375074 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1122003312 is about 33496.3178871947. The cubic root of 1122003312 is about 1039.1176292910.

Adding to 1122003312 its reverse (2133002211), we get a palindrome (3255005523).

The spelling of 1122003312 in words is "one billion, one hundred twenty-two million, three thousand, three hundred twelve".