1100040212 has 12 divisors (see below), whose sum is σ = 1951441716. Its totient is φ = 542485440.

The previous prime is 1100040203. The next prime is 1100040223. The reversal of 1100040212 is 2120400011.

It can be written as a sum of positive squares in 2 ways, for example, as 356605456 + 743434756 = 18884^2 + 27266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100040193 and 1100040202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883339 + ... + 1883922.

It is an arithmetic number, because the mean of its divisors is an integer number (162620143).

Almost surely, 2^1100040212 is an apocalyptic number.

It is an amenable number.

1100040212 is a deficient number, since it is larger than the sum of its proper divisors (851401504).

1100040212 is a wasteful number, since it uses less digits than its factorization.

1100040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767338 (or 3767336 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1100040212 is about 33166.8541167232. The cubic root of 1100040212 is about 1032.2926941055.

Adding to 1100040212 its reverse (2120400011), we get a palindrome (3220440223).

The spelling of 1100040212 in words is "one billion, one hundred million, forty thousand, two hundred twelve".