12202102012123 has 2 divisors, whose sum is σ = 12202102012124. Its totient is φ = 12202102012122.

The previous prime is 12202102012099. The next prime is 12202102012127. The reversal of 12202102012123 is 32121020120221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202102012123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202102012123.

It is not a weakly prime, because it can be changed into another prime (12202102012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101051006061 + 6101051006062.

It is an arithmetic number, because the mean of its divisors is an integer number (6101051006062).

Almost surely, 2^{12202102012123} is an apocalyptic number.

12202102012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202102012123 is an equidigital number, since it uses as much as digits as its factorization.

12202102012123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12202102012123 its reverse (32121020120221), we get a palindrome (44323122132344).

The spelling of 12202102012123 in words is "twelve trillion, two hundred two billion, one hundred two million, twelve thousand, one hundred twenty-three".