12113213331 has 8 divisors (see below), whose sum is σ = 16151541184. Its totient is φ = 8075180520.

The previous prime is 12113213311. The next prime is 12113213353. The reversal of 12113213331 is 13331231121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12113213331 - 2⁹ = 12113212819 is a prime.

It is a super-2 number, since 2×12113213331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12113213298 and 12113213307.

It is not an unprimeable number, because it can be changed into a prime (12113213311) 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, 53316 + ... + 164526.

It is an arithmetic number, because the mean of its divisors is an integer number (2018942648).

Almost surely, 2^12113213331 is an apocalyptic number.

12113213331 is a deficient number, since it is larger than the sum of its proper divisors (4038327853).

12113213331 is a wasteful number, since it uses less digits than its factorization.

12113213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147521.

The product of its digits is 324, while the sum is 21.

Adding to 12113213331 its reverse (13331231121), we get a palindrome (25444444452).

The spelling of 12113213331 in words is "twelve billion, one hundred thirteen million, two hundred thirteen thousand, three hundred thirty-one".