1112255712 has 192 divisors, whose sum is σ = 3431877120. Its totient is φ = 354119040.

The previous prime is 1112255707. The next prime is 1112255717. The reversal of 1112255712 is 2175522111.

It is an interprime number because it is at equal distance from previous prime (1112255707) and next prime (1112255717).

It is a super-2 number, since 2×1112255712² = 2474225537753253888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112255717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1609287 + ... + 1609977.

It is an arithmetic number, because the mean of its divisors is an integer number (17874360).

Almost surely, 2^1112255712 is an apocalyptic number.

1112255712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112255712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715938560).

1112255712 is an abundant number, since it is smaller than the sum of its proper divisors (2319621408).

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

1112255712 is an frugal number, since it uses more digits than its factorization.

1112255712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 719 counting only the distinct ones).

The product of its digits is 1400, while the sum is 27.

The square root of 1112255712 is about 33350.4979273174. The cubic root of 1112255712 is about 1036.0997007054.

Adding to 1112255712 its reverse (2175522111), we get a palindrome (3287777823).

The spelling of 1112255712 in words is "one billion, one hundred twelve million, two hundred fifty-five thousand, seven hundred twelve".