1100000012 has 12 divisors (see below), whose sum is σ = 1957627560. Its totient is φ = 540677856.

The previous prime is 1100000009. The next prime is 1100000017. The reversal of 1100000012 is 2100000011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1099999951 and 1100000005.

It is not an unprimeable number, because it can be changed into a prime (1100000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330273 + ... + 2330744.

It is an arithmetic number, because the mean of its divisors is an integer number (163135630).

Almost surely, 2^1100000012 is an apocalyptic number.

It is an amenable number.

1100000012 is a deficient number, since it is larger than the sum of its proper divisors (857627548).

1100000012 is a wasteful number, since it uses less digits than its factorization.

1100000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661080 (or 4661078 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1100000012 is about 33166.2480844608. The cubic root of 1100000012 is about 1032.2801192101.

Adding to 1100000012 its reverse (2100000011), we get a palindrome (3200000023).

Subtracting 1100000012 from its reverse (2100000011), we obtain a palindrome (999999999).

The spelling of 1100000012 in words is "one billion, one hundred million, twelve", and thus it is an aban number.