12011200102123 has 2 divisors, whose sum is σ = 12011200102124. Its totient is φ = 12011200102122.

The previous prime is 12011200102117. The next prime is 12011200102133. The reversal of 12011200102123 is 32120100211021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011200102123 is a prime.

It is a super-3 number, since 3×12011200102123³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011200102097 and 12011200102106.

It is not a weakly prime, because it can be changed into another prime (12011200102133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005600051061 + 6005600051062.

It is an arithmetic number, because the mean of its divisors is an integer number (6005600051062).

Almost surely, 2^{12011200102123} is an apocalyptic number.

12011200102123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011200102123 is an equidigital number, since it uses as much as digits as its factorization.

12011200102123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011200102123 its reverse (32120100211021), we get a palindrome (44131300313144).

The spelling of 12011200102123 in words is "twelve trillion, eleven billion, two hundred million, one hundred two thousand, one hundred twenty-three".