11231212333204 has 24 divisors (see below), whose sum is σ = 20811692338920. Its totient is φ = 5285043618816.

The previous prime is 11231212333183. The next prime is 11231212333213. The reversal of 11231212333204 is 40233321213211.

It can be written as a sum of positive squares in 4 ways, for example, as 8741791049104 + 2489421284100 = 2956652^2 + 1577790^2 .

It is a super-2 number, since 2×11231212333204² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2076859 + ... + 5174530.

It is an arithmetic number, because the mean of its divisors is an integer number (867153847455).

Almost surely, 2^{11231212333204} is an apocalyptic number.

It is an amenable number.

11231212333204 is a deficient number, since it is larger than the sum of its proper divisors (9580480005716).

11231212333204 is a wasteful number, since it uses less digits than its factorization.

11231212333204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274187 (or 7274185 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 11231212333204 its reverse (40233321213211), we get a palindrome (51464533546415).

The spelling of 11231212333204 in words is "eleven trillion, two hundred thirty-one billion, two hundred twelve million, three hundred thirty-three thousand, two hundred four".