12100231123 has 2 divisors, whose sum is σ = 12100231124. Its totient is φ = 12100231122.

The previous prime is 12100231097. The next prime is 12100231127. The reversal of 12100231123 is 32113200121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100231123 is a prime.

It is a super-2 number, since 2×12100231123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100231097 and 12100231106.

It is not a weakly prime, because it can be changed into another prime (12100231127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050115561 + 6050115562.

It is an arithmetic number, because the mean of its divisors is an integer number (6050115562).

Almost surely, 2^12100231123 is an apocalyptic number.

12100231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100231123 is an equidigital number, since it uses as much as digits as its factorization.

12100231123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12100231123 its reverse (32113200121), we get a palindrome (44213431244).

The spelling of 12100231123 in words is "twelve billion, one hundred million, two hundred thirty-one thousand, one hundred twenty-three".