1112212000 has 96 divisors (see below), whose sum is σ = 2760763824. Its totient is φ = 440320000.

The previous prime is 1112211979. The next prime is 1112212001. The reversal of 1112212000 is 2122111.

It can be written as a sum of positive squares in 8 ways, for example, as 496576656 + 615635344 = 22284^2 + 24812^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1112212001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402624 + ... + 405376.

Almost surely, 2^1112212000 is an apocalyptic number.

1112212000 is a gapful number since it is divisible by the number (10) 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 1112212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380381912).

1112212000 is an abundant number, since it is smaller than the sum of its proper divisors (1648551824).

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

1112212000 is a wasteful number, since it uses less digits than its factorization.

1112212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879 (or 2861 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1112212000 is about 33349.8425783391. The cubic root of 1112212000 is about 1036.0861275126.

Adding to 1112212000 its reverse (2122111), we get a palindrome (1114334111).

The spelling of 1112212000 in words is "one billion, one hundred twelve million, two hundred twelve thousand".