1100212000 has 48 divisors (see below), whose sum is σ = 2703230712. Its totient is φ = 440083200.

The previous prime is 1100211989. The next prime is 1100212013. The reversal of 1100212000 is 2120011.

It can be written as a sum of positive squares in 4 ways, for example, as 287505936 + 812706064 = 16956^2 + 28508^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 133527 + ... + 141526.

Almost surely, 2^1100212000 is an apocalyptic number.

1100212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100212000 is an abundant number, since it is smaller than the sum of its proper divisors (1603018712).

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

1100212000 is an equidigital number, since it uses as much as digits as its factorization.

1100212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275078 (or 275060 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1100212000 is about 33169.4437698313. The cubic root of 1100212000 is about 1032.3464273736.

Adding to 1100212000 its reverse (2120011), we get a palindrome (1102332011).

It can be divided in two parts, 1 and 100212000, that added together give a palindrome (100212001).

The spelling of 1100212000 in words is "one billion, one hundred million, two hundred twelve thousand".