1100023200012 has 96 divisors (see below), whose sum is σ = 2893546301184. Its totient is φ = 322364448000.

The previous prime is 1100023199971. The next prime is 1100023200041. The reversal of 1100023200012 is 2100023200011.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386143 + ... + 1532694.

It is an arithmetic number, because the mean of its divisors is an integer number (30141107304).

Almost surely, 2^{1100023200012} is an apocalyptic number.

1100023200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100023200012 is an abundant number, since it is smaller than the sum of its proper divisors (1793523101172).

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

1100023200012 is a wasteful number, since it uses less digits than its factorization.

1100023200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918999 (or 1918997 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1100023200012 its reverse (2100023200011), we get a palindrome (3200046400023).

Subtracting 1100023200012 from its reverse (2100023200011), we obtain a palindrome (999999999999).

The spelling of 1100023200012 in words is "one trillion, one hundred billion, twenty-three million, two hundred thousand, twelve".