12101222123 has 2 divisors, whose sum is σ = 12101222124. Its totient is φ = 12101222122.

The previous prime is 12101222101. The next prime is 12101222143. The reversal of 12101222123 is 32122210121.

It is a strong prime.

It is an emirp because it is prime and its reverse (32122210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12101222123 - 2⁶ = 12101222059 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101222143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050611061 + 6050611062.

It is an arithmetic number, because the mean of its divisors is an integer number (6050611062).

Almost surely, 2^12101222123 is an apocalyptic number.

12101222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101222123 is an equidigital number, since it uses as much as digits as its factorization.

12101222123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12101222123 its reverse (32122210121), we get a palindrome (44223432244).

The spelling of 12101222123 in words is "twelve billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-three".