1001100010012 has 24 divisors (see below), whose sum is σ = 1776586595616. Its totient is φ = 493549744128.

The previous prime is 1001100010007. The next prime is 1001100010021. The reversal of 1001100010012 is 2100100011001.

It is a junction number, because it is equal to n+sod(n) for n = 1001100009977 and 1001100010004.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5650648 + ... + 5825119.

It is an arithmetic number, because the mean of its divisors is an integer number (74024441484).

Almost surely, 2^{1001100010012} is an apocalyptic number.

It is an amenable number.

1001100010012 is a deficient number, since it is larger than the sum of its proper divisors (775486585604).

1001100010012 is a wasteful number, since it uses less digits than its factorization.

1001100010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11476077 (or 11476075 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1001100010012 its reverse (2100100011001), we get a palindrome (3101200021013).

The spelling of 1001100010012 in words is "one trillion, one billion, one hundred million, ten thousand, twelve".