12231202110121 has 2 divisors, whose sum is σ = 12231202110122. Its totient is φ = 12231202110120.

The previous prime is 12231202110031. The next prime is 12231202110131. The reversal of 12231202110121 is 12101120213221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8263118190096 + 3968083920025 = 2874564^2 + 1992005^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231202110121 - 2⁷ = 12231202109993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12231202110131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115601055060 + 6115601055061.

It is an arithmetic number, because the mean of its divisors is an integer number (6115601055061).

Almost surely, 2^{12231202110121} is an apocalyptic number.

It is an amenable number.

12231202110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231202110121 is an equidigital number, since it uses as much as digits as its factorization.

12231202110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12231202110121 its reverse (12101120213221), we get a palindrome (24332322323342).

The spelling of 12231202110121 in words is "twelve trillion, two hundred thirty-one billion, two hundred two million, one hundred ten thousand, one hundred twenty-one".