12013231233 has 8 divisors (see below), whose sum is σ = 16019971200. Its totient is φ = 8007656048.

The previous prime is 12013231231. The next prime is 12013231331. The reversal of 12013231233 is 33213231021.

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 12013231233 - 2¹ = 12013231231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12013231231) 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, 266838 + ... + 308591.

It is an arithmetic number, because the mean of its divisors is an integer number (2002496400).

Almost surely, 2^12013231233 is an apocalyptic number.

It is an amenable number.

12013231233 is a deficient number, since it is larger than the sum of its proper divisors (4006739967).

12013231233 is an equidigital number, since it uses as much as digits as its factorization.

12013231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582391.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12013231233 its reverse (33213231021), we get a palindrome (45226462254).

The spelling of 12013231233 in words is "twelve billion, thirteen million, two hundred thirty-one thousand, two hundred thirty-three".