12122013331 has 8 divisors (see below), whose sum is σ = 12213232640. Its totient is φ = 12030851592.

The previous prime is 12122013289. The next prime is 12122013347. The reversal of 12122013331 is 13331022121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122013331 - 2⁷ = 12122013203 is a prime.

It is a super-2 number, since 2×12122013331² (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 = 12122013299 and 12122013308.

It is not an unprimeable number, because it can be changed into a prime (12122013361) 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, 468766 + ... + 493948.

It is an arithmetic number, because the mean of its divisors is an integer number (1526654080).

Almost surely, 2^12122013331 is an apocalyptic number.

12122013331 is a deficient number, since it is larger than the sum of its proper divisors (91219309).

12122013331 is a wasteful number, since it uses less digits than its factorization.

12122013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12122013331 its reverse (13331022121), we get a palindrome (25453035452).

The spelling of 12122013331 in words is "twelve billion, one hundred twenty-two million, thirteen thousand, three hundred thirty-one".