1100212212 has 48 divisors (see below), whose sum is σ = 2802647232. Its totient is φ = 333146880.

The previous prime is 1100212193. The next prime is 1100212229. The reversal of 1100212212 is 2122120011.

It is a super-2 number, since 2×1100212212² = 2420933822867865888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250338 + ... + 254694.

It is an arithmetic number, because the mean of its divisors is an integer number (58388484).

Almost surely, 2^1100212212 is an apocalyptic number.

1100212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100212212 is an abundant number, since it is smaller than the sum of its proper divisors (1702435020).

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

1100212212 is a wasteful number, since it uses less digits than its factorization.

1100212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288 (or 6286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1100212212 is about 33169.4469655435. The cubic root of 1100212212 is about 1032.3464936813.

Adding to 1100212212 its reverse (2122120011), we get a palindrome (3222332223).

It can be divided in two parts, 1100 and 212212, that added together give a palindrome (213312).

The spelling of 1100212212 in words is "one billion, one hundred million, two hundred twelve thousand, two hundred twelve".