12013233331 has 8 divisors (see below), whose sum is σ = 13424988528. Its totient is φ = 10654752000.

The previous prime is 12013233329. The next prime is 12013233373. The reversal of 12013233331 is 13333231021.

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

It is not a de Polignac number, because 12013233331 - 2¹ = 12013233329 is a prime.

It is a super-2 number, since 2×12013233331² (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 (12013233031) 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, 13317990 + ... + 13318891.

It is an arithmetic number, because the mean of its divisors is an integer number (1678123566).

Almost surely, 2^12013233331 is an apocalyptic number.

12013233331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12013233331 is a deficient number, since it is larger than the sum of its proper divisors (1411755197).

12013233331 is a wasteful number, since it uses less digits than its factorization.

12013233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26636933.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12013233331 its reverse (13333231021), we get a palindrome (25346464352).

The spelling of 12013233331 in words is "twelve billion, thirteen million, two hundred thirty-three thousand, three hundred thirty-one".