12102331123 has 8 divisors (see below), whose sum is σ = 12385953008. Its totient is φ = 11818808064.

The previous prime is 12102331121. The next prime is 12102331247. The reversal of 12102331123 is 32113320121.

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 12102331123 - 2¹ = 12102331121 is a prime.

It is a super-2 number, since 2×12102331123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102331123.

It is not an unprimeable number, because it can be changed into a prime (12102331121) 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, 261415 + ... + 304207.

It is an arithmetic number, because the mean of its divisors is an integer number (1548244126).

Almost surely, 2^12102331123 is an apocalyptic number.

12102331123 is a deficient number, since it is larger than the sum of its proper divisors (283621885).

12102331123 is an equidigital number, since it uses as much as digits as its factorization.

12102331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49413.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12102331123 its reverse (32113320121), we get a palindrome (44215651244).

The spelling of 12102331123 in words is "twelve billion, one hundred two million, three hundred thirty-one thousand, one hundred twenty-three".