1100104212 has 48 divisors (see below), whose sum is σ = 2658600000. Its totient is φ = 353633280.

The previous prime is 1100104211. The next prime is 1100104249. The reversal of 1100104212 is 2124010011.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100104211) 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, 433387 + ... + 435917.

It is an arithmetic number, because the mean of its divisors is an integer number (55387500).

Almost surely, 2^1100104212 is an apocalyptic number.

1100104212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100104212 is an abundant number, since it is smaller than the sum of its proper divisors (1558495788).

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

1100104212 is a wasteful number, since it uses less digits than its factorization.

1100104212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3814 counting only the distinct ones).

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

The square root of 1100104212 is about 33167.8189213581. The cubic root of 1100104212 is about 1032.3127132074.

Adding to 1100104212 its reverse (2124010011), we get a palindrome (3224114223).

The spelling of 1100104212 in words is "one billion, one hundred million, one hundred four thousand, two hundred twelve".