1100212100012 has 48 divisors (see below), whose sum is σ = 1958298249600. Its totient is φ = 540777431040.

The previous prime is 1100212099933. The next prime is 1100212100069. The reversal of 1100212100012 is 2100012120011.

It is a junction number, because it is equal to n+sod(n) for n = 1100212099966 and 1100212100002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54528758 + ... + 54548930.

It is an arithmetic number, because the mean of its divisors is an integer number (40797880200).

Almost surely, 2^{1100212100012} is an apocalyptic number.

It is an amenable number.

1100212100012 is a deficient number, since it is larger than the sum of its proper divisors (858086149588).

1100212100012 is a wasteful number, since it uses less digits than its factorization.

1100212100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21146 (or 21144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100212100012 its reverse (2100012120011), we get a palindrome (3200224220023).

The spelling of 1100212100012 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred thousand, twelve".