12115033331 has 8 divisors (see below), whose sum is σ = 12444003264. Its totient is φ = 11790420840.

The previous prime is 12115033319. The next prime is 12115033339. The reversal of 12115033331 is 13333051121.

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 12115033331 - 2¹⁸ = 12114771187 is a prime.

It is a super-2 number, since 2×12115033331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12115033297 and 12115033306.

It is not an unprimeable number, because it can be changed into a prime (12115033339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083725 + ... + 1094846.

It is an arithmetic number, because the mean of its divisors is an integer number (1555500408).

Almost surely, 2^12115033331 is an apocalyptic number.

12115033331 is a deficient number, since it is larger than the sum of its proper divisors (328969933).

12115033331 is an equidigital number, since it uses as much as digits as its factorization.

12115033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178721.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 12115033331 its reverse (13333051121), we get a palindrome (25448084452).

The spelling of 12115033331 in words is "twelve billion, one hundred fifteen million, thirty-three thousand, three hundred thirty-one".