11131233230212 has 18 divisors (see below), whose sum is σ = 20174533003898. Its totient is φ = 5373698799168.

The previous prime is 11131233230207. The next prime is 11131233230237. The reversal of 11131233230212 is 21203233213111.

It can be written as a sum of positive squares in 3 ways, for example, as 88478882116 + 11042754348096 = 297454^2 + 3323064^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1654460553 + ... + 1654467280.

Almost surely, 2^{11131233230212} is an apocalyptic number.

It is an amenable number.

11131233230212 is a deficient number, since it is larger than the sum of its proper divisors (9043299773686).

11131233230212 is a wasteful number, since it uses less digits than its factorization.

11131233230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308927895 (or 3308927864 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11131233230212 its reverse (21203233213111), we get a palindrome (32334466443323).

The spelling of 11131233230212 in words is "eleven trillion, one hundred thirty-one billion, two hundred thirty-three million, two hundred thirty thousand, two hundred twelve".