12013330331 has 8 divisors (see below), whose sum is σ = 12270595584. Its totient is φ = 11756134440.

The previous prime is 12013330321. The next prime is 12013330339. The reversal of 12013330331 is 13303331021.

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

It is a de Polignac number, because none of the positive numbers 2^k-12013330331 is a prime.

It is a super-2 number, since 2×12013330331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013330339) 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, 489176 + ... + 513146.

It is an arithmetic number, because the mean of its divisors is an integer number (1533824448).

Almost surely, 2^12013330331 is an apocalyptic number.

12013330331 is a deficient number, since it is larger than the sum of its proper divisors (257265253).

12013330331 is a wasteful number, since it uses less digits than its factorization.

12013330331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 12013330331 its reverse (13303331021), we get a palindrome (25316661352).

The spelling of 12013330331 in words is "twelve billion, thirteen million, three hundred thirty thousand, three hundred thirty-one".