12103231233 has 16 divisors (see below), whose sum is σ = 16318423296. Its totient is φ = 7978763520.

The previous prime is 12103231187. The next prime is 12103231253. The reversal of 12103231233 is 33213230121.

It is not a de Polignac number, because 12103231233 - 2⁶ = 12103231169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12103231253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104691 + ... + 187527.

It is an arithmetic number, because the mean of its divisors is an integer number (1019901456).

Almost surely, 2^12103231233 is an apocalyptic number.

It is an amenable number.

12103231233 is a deficient number, since it is larger than the sum of its proper divisors (4215192063).

12103231233 is a wasteful number, since it uses less digits than its factorization.

12103231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83384.

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

Adding to 12103231233 its reverse (33213230121), we get a palindrome (45316461354).

The spelling of 12103231233 in words is "twelve billion, one hundred three million, two hundred thirty-one thousand, two hundred thirty-three".