12203213132111 has 4 divisors (see below), whose sum is σ = 12207520658112. Its totient is φ = 12198905606112.

The previous prime is 12203213132021. The next prime is 12203213132137. The reversal of 12203213132111 is 11123131230221.

It is a happy number.

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-12203213132111 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 (12203213132141) 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, 2153758751 + ... + 2153764416.

It is an arithmetic number, because the mean of its divisors is an integer number (3051880164528).

Almost surely, 2^{12203213132111} is an apocalyptic number.

12203213132111 is a deficient number, since it is larger than the sum of its proper divisors (4307526001).

12203213132111 is an equidigital number, since it uses as much as digits as its factorization.

12203213132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307526000.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12203213132111 its reverse (11123131230221), we get a palindrome (23326344362332).

The spelling of 12203213132111 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, one hundred thirty-two thousand, one hundred eleven".