11234111312 has 20 divisors (see below), whose sum is σ = 21778326336. Its totient is φ = 5613898080.

The previous prime is 11234111281. The next prime is 11234111327. The reversal of 11234111312 is 21311143211.

It is a super-2 number, since 2×11234111312² (a number of 21 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167864 + ... + 225047.

Almost surely, 2^11234111312 is an apocalyptic number.

It is an amenable number.

11234111312 is a deficient number, since it is larger than the sum of its proper divisors (10544215024).

11234111312 is a wasteful number, since it uses less digits than its factorization.

11234111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394706 (or 394700 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 11234111312 its reverse (21311143211), we get a palindrome (32545254523).

The spelling of 11234111312 in words is "eleven billion, two hundred thirty-four million, one hundred eleven thousand, three hundred twelve".