11122233312 has 48 divisors (see below), whose sum is σ = 29211114240. Its totient is φ = 3705474432.

The previous prime is 11122233307. The next prime is 11122233347. The reversal of 11122233312 is 21333222111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160713 + ... + 219255.

It is an arithmetic number, because the mean of its divisors is an integer number (608564880).

Almost surely, 2^11122233312 is an apocalyptic number.

11122233312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122233312 is an abundant number, since it is smaller than the sum of its proper divisors (18088880928).

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

11122233312 is a wasteful number, since it uses less digits than its factorization.

11122233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60535 (or 60527 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 11122233312 its reverse (21333222111), we get a palindrome (32455455423).

The spelling of 11122233312 in words is "eleven billion, one hundred twenty-two million, two hundred thirty-three thousand, three hundred twelve".