11011230312 has 64 divisors (see below), whose sum is σ = 29336186880. Its totient is φ = 3436120512.

The previous prime is 11011230301. The next prime is 11011230317. The reversal of 11011230312 is 21303211011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11011230291 and 11011230300.

It is not an unprimeable number, because it can be changed into a prime (11011230317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186268 + ... + 238155.

It is an arithmetic number, because the mean of its divisors is an integer number (458377920).

Almost surely, 2^11011230312 is an apocalyptic number.

11011230312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011230312 is an abundant number, since it is smaller than the sum of its proper divisors (18324956568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011230312 is a wasteful number, since it uses less digits than its factorization.

11011230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424502 (or 424498 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11011230312 its reverse (21303211011), we get a palindrome (32314441323).

The spelling of 11011230312 in words is "eleven billion, eleven million, two hundred thirty thousand, three hundred twelve".