12115112322 has 32 divisors (see below), whose sum is σ = 26770995072. Its totient is φ = 3635565824.

The previous prime is 12115112311. The next prime is 12115112351. The reversal of 12115112322 is 22321151121.

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, 2579733 + ... + 2584424.

It is an arithmetic number, because the mean of its divisors is an integer number (836593596).

Almost surely, 2^12115112322 is an apocalyptic number.

12115112322 is an abundant number, since it is smaller than the sum of its proper divisors (14655882750).

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

12115112322 is a wasteful number, since it uses less digits than its factorization.

12115112322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164202.

The product of its digits is 240, while the sum is 21.

Adding to 12115112322 its reverse (22321151121), we get a palindrome (34436263443).

The spelling of 12115112322 in words is "twelve billion, one hundred fifteen million, one hundred twelve thousand, three hundred twenty-two".