12203122302311 has 4 divisors (see below), whose sum is σ = 12237114286800. Its totient is φ = 12169130317824.

The previous prime is 12203122302253. The next prime is 12203122302347. The reversal of 12203122302311 is 11320322130221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203122302311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203122302911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16995991706 + ... + 16995992423.

It is an arithmetic number, because the mean of its divisors is an integer number (3059278571700).

Almost surely, 2^{12203122302311} is an apocalyptic number.

12203122302311 is a deficient number, since it is larger than the sum of its proper divisors (33991984489).

12203122302311 is an equidigital number, since it uses as much as digits as its factorization.

12203122302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33991984488.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12203122302311 its reverse (11320322130221), we get a palindrome (23523444432532).

The spelling of 12203122302311 in words is "twelve trillion, two hundred three billion, one hundred twenty-two million, three hundred two thousand, three hundred eleven".