12231330123 has 16 divisors (see below), whose sum is σ = 17171844480. Its totient is φ = 7722771264.

The previous prime is 12231330121. The next prime is 12231330127. The reversal of 12231330123 is 32103313221.

It is not a de Polignac number, because 12231330123 - 2¹ = 12231330121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12231330123.

It is not an unprimeable number, because it can be changed into a prime (12231330121) 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, 174940 + ... + 234662.

It is an arithmetic number, because the mean of its divisors is an integer number (1073240280).

Almost surely, 2^12231330123 is an apocalyptic number.

12231330123 is a deficient number, since it is larger than the sum of its proper divisors (4940514357).

12231330123 is a wasteful number, since it uses less digits than its factorization.

12231330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63338.

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

Adding to 12231330123 its reverse (32103313221), we get a palindrome (44334643344).

The spelling of 12231330123 in words is "twelve billion, two hundred thirty-one million, three hundred thirty thousand, one hundred twenty-three".