1100012012020 has 24 divisors (see below), whose sum is σ = 2311044299424. Its totient is φ = 439810695456.

The previous prime is 1100012012017. The next prime is 1100012012053. The reversal of 1100012012020 is 202102100011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1100012011988 and 1100012012006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12085362 + ... + 12176041.

It is an arithmetic number, because the mean of its divisors is an integer number (96293512476).

Almost surely, 2^{1100012012020} is an apocalyptic number.

1100012012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100012012020 is an abundant number, since it is smaller than the sum of its proper divisors (1211032287404).

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

1100012012020 is a wasteful number, since it uses less digits than its factorization.

1100012012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263679 (or 24263677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1100012012020 its reverse (202102100011), we get a palindrome (1302114112031).

The spelling of 1100012012020 in words is "one trillion, one hundred billion, twelve million, twelve thousand, twenty".