113212131322 has 32 divisors (see below), whose sum is σ = 173216050560. Its totient is φ = 55483729920.

The previous prime is 113212131269. The next prime is 113212131323. The reversal of 113212131322 is 223131212311.

It is a junction number, because it is equal to n+sod(n) for n = 113212131293 and 113212131302.

It is not an unprimeable number, because it can be changed into a prime (113212131323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42575629 + ... + 42578287.

It is an arithmetic number, because the mean of its divisors is an integer number (5413001580).

Almost surely, 2^113212131322 is an apocalyptic number.

113212131322 is a deficient number, since it is larger than the sum of its proper divisors (60003919238).

113212131322 is a wasteful number, since it uses less digits than its factorization.

113212131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438.

The product of its digits is 432, while the sum is 22.

Adding to 113212131322 its reverse (223131212311), we get a palindrome (336343343633).

The spelling of 113212131322 in words is "one hundred thirteen billion, two hundred twelve million, one hundred thirty-one thousand, three hundred twenty-two".