1232224431211 has 4 divisors (see below), whose sum is σ = 1236909695472. Its totient is φ = 1227539166952.

The previous prime is 1232224431199. The next prime is 1232224431301. The reversal of 1232224431211 is 1121344222321.

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

It is not a de Polignac number, because 1232224431211 - 2¹⁵ = 1232224398443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232224431211.

It is not an unprimeable number, because it can be changed into a prime (1232224431811) 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, 2342631736 + ... + 2342632261.

It is an arithmetic number, because the mean of its divisors is an integer number (309227423868).

Almost surely, 2^{1232224431211} is an apocalyptic number.

1232224431211 is a deficient number, since it is larger than the sum of its proper divisors (4685264261).

1232224431211 is an equidigital number, since it uses as much as digits as its factorization.

1232224431211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685264260.

The product of its digits is 4608, while the sum is 28.

Adding to 1232224431211 its reverse (1121344222321), we get a palindrome (2353568653532).

The spelling of 1232224431211 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-four million, four hundred thirty-one thousand, two hundred eleven".