12231001118 has 32 divisors (see below), whose sum is σ = 22619715264. Its totient is φ = 4840422912.

The previous prime is 12231001117. The next prime is 12231001127. The reversal of 12231001118 is 81110013221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12231001118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231001117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472205 + ... + 497432.

It is an arithmetic number, because the mean of its divisors is an integer number (706866102).

Almost surely, 2^12231001118 is an apocalyptic number.

12231001118 is a deficient number, since it is larger than the sum of its proper divisors (10388714146).

12231001118 is a wasteful number, since it uses less digits than its factorization.

12231001118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969716.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12231001118 its reverse (81110013221), we get a palindrome (93341014339).

The spelling of 12231001118 in words is "twelve billion, two hundred thirty-one million, one thousand, one hundred eighteen".