1112223213312 has 72 divisors (see below), whose sum is σ = 2965952372880. Its totient is φ = 370012569600.

The previous prime is 1112223213307. The next prime is 1112223213329. The reversal of 1112223213312 is 2133123222111.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1031689 + ... + 1813512.

Almost surely, 2^{1112223213312} is an apocalyptic number.

1112223213312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112223213312 is an abundant number, since it is smaller than the sum of its proper divisors (1853729159568).

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

1112223213312 is an equidigital number, since it uses as much as digits as its factorization.

1112223213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845729 (or 2845715 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 1112223213312 its reverse (2133123222111), we get a palindrome (3245346435423).

The spelling of 1112223213312 in words is "one trillion, one hundred twelve billion, two hundred twenty-three million, two hundred thirteen thousand, three hundred twelve".