1000100111012 has 24 divisors (see below), whose sum is σ = 1842721423200. Its totient is φ = 473620611456.

The previous prime is 1000100110991. The next prime is 1000100111041. The reversal of 1000100111012 is 2101110010001.

It is a happy 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, 1215062 + ... + 1864557.

It is an arithmetic number, because the mean of its divisors is an integer number (76780059300).

Almost surely, 2^{1000100111012} is an apocalyptic number.

It is an amenable number.

1000100111012 is a deficient number, since it is larger than the sum of its proper divisors (842621312188).

1000100111012 is a wasteful number, since it uses less digits than its factorization.

1000100111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083915 (or 3083913 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1000100111012 its reverse (2101110010001), we get a palindrome (3101210121013).

The spelling of 1000100111012 in words is "one trillion, one hundred million, one hundred eleven thousand, twelve".