12121200322123 has 2 divisors, whose sum is σ = 12121200322124. Its totient is φ = 12121200322122.

The previous prime is 12121200322103. The next prime is 12121200322139. The reversal of 12121200322123 is 32122300212121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121200322123 - 2¹³ = 12121200313931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121200322094 and 12121200322103.

It is not a weakly prime, because it can be changed into another prime (12121200322103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060600161061 + 6060600161062.

It is an arithmetic number, because the mean of its divisors is an integer number (6060600161062).

Almost surely, 2^{12121200322123} is an apocalyptic number.

12121200322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121200322123 is an equidigital number, since it uses as much as digits as its factorization.

12121200322123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12121200322123 its reverse (32122300212121), we get a palindrome (44243500534244).

The spelling of 12121200322123 in words is "twelve trillion, one hundred twenty-one billion, two hundred million, three hundred twenty-two thousand, one hundred twenty-three".