12011201233123 has 2 divisors, whose sum is σ = 12011201233124. Its totient is φ = 12011201233122.

The previous prime is 12011201233093. The next prime is 12011201233139. The reversal of 12011201233123 is 32133210211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011201233123 - 2²⁵ = 12011167678691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011201233094 and 12011201233103.

It is not a weakly prime, because it can be changed into another prime (12011201233523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005600616561 + 6005600616562.

It is an arithmetic number, because the mean of its divisors is an integer number (6005600616562).

Almost surely, 2^{12011201233123} is an apocalyptic number.

12011201233123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011201233123 is an equidigital number, since it uses as much as digits as its factorization.

12011201233123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12011201233123 its reverse (32133210211021), we get a palindrome (44144411444144).

The spelling of 12011201233123 in words is "twelve trillion, eleven billion, two hundred one million, two hundred thirty-three thousand, one hundred twenty-three".