12113231322 has 32 divisors (see below), whose sum is σ = 25317338112. Its totient is φ = 3859927344.

The previous prime is 12113231297. The next prime is 12113231371. The reversal of 12113231322 is 22313231121.

It is a nude number because it is divisible by every one of its digits.

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, 487348 + ... + 511599.

It is an arithmetic number, because the mean of its divisors is an integer number (791166816).

Almost surely, 2^12113231322 is an apocalyptic number.

12113231322 is an abundant number, since it is smaller than the sum of its proper divisors (13204106790).

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

12113231322 is a wasteful number, since it uses less digits than its factorization.

12113231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999042.

The product of its digits is 432, while the sum is 21.

Adding to 12113231322 its reverse (22313231121), we get a palindrome (34426462443).

The spelling of 12113231322 in words is "twelve billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred twenty-two".