12005523331 has 8 divisors (see below), whose sum is σ = 12931286720. Its totient is φ = 11109149352.

The previous prime is 12005523323. The next prime is 12005523347. The reversal of 12005523331 is 13332550021.

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 12005523331 - 2³ = 12005523323 is a prime.

It is a super-2 number, since 2×12005523331² (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 = 12005523296 and 12005523305.

It is not an unprimeable number, because it can be changed into a prime (12005523391) 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, 7346505 + ... + 7348138.

It is an arithmetic number, because the mean of its divisors is an integer number (1616410840).

Almost surely, 2^12005523331 is an apocalyptic number.

12005523331 is a deficient number, since it is larger than the sum of its proper divisors (925763389).

12005523331 is a wasteful number, since it uses less digits than its factorization.

12005523331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14694705.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 12005523331 in words is "twelve billion, five million, five hundred twenty-three thousand, three hundred thirty-one".