12123324420202 has 16 divisors (see below), whose sum is σ = 18912940735392. Its totient is φ = 5823632772720.

The previous prime is 12123324420059. The next prime is 12123324420241. The reversal of 12123324420202 is 20202442332121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155477448 + ... + 1155487939.

It is an arithmetic number, because the mean of its divisors is an integer number (1182058795962).

Almost surely, 2^{12123324420202} is an apocalyptic number.

12123324420202 is a deficient number, since it is larger than the sum of its proper divisors (6789616315190).

12123324420202 is a wasteful number, since it uses less digits than its factorization.

12123324420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310965493.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12123324420202 its reverse (20202442332121), we get a palindrome (32325766752323).

The spelling of 12123324420202 in words is "twelve trillion, one hundred twenty-three billion, three hundred twenty-four million, four hundred twenty thousand, two hundred two".