12122240213331 has 16 divisors (see below), whose sum is σ = 17970984277120. Its totient is φ = 8076044026440.

The previous prime is 12122240213323. The next prime is 12122240213387. The reversal of 12122240213331 is 13331204222121.

12122240213331 is a `hidden beast` number, since 1 + 2 + 1 + 222 + 402 + 1 + 3 + 3 + 31 = 666.

It is not a de Polignac number, because 12122240213331 - 2³ = 12122240213323 is a prime.

It is a super-2 number, since 2×12122240213331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122240213295 and 12122240213304.

It is not an unprimeable number, because it can be changed into a prime (12122240613331) 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, 151332805 + ... + 151412886.

It is an arithmetic number, because the mean of its divisors is an integer number (1123186517320).

Almost surely, 2^{12122240213331} is an apocalyptic number.

12122240213331 is a deficient number, since it is larger than the sum of its proper divisors (5848744063789).

12122240213331 is a wasteful number, since it uses less digits than its factorization.

12122240213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302747183 (or 302747177 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12122240213331 its reverse (13331204222121), we get a palindrome (25453444435452).

The spelling of 12122240213331 in words is "twelve trillion, one hundred twenty-two billion, two hundred forty million, two hundred thirteen thousand, three hundred thirty-one".