1001000111012 has 24 divisors (see below), whose sum is σ = 1912449147840. Its totient is φ = 454655065760.

The previous prime is 1001000110997. The next prime is 1001000111017. The reversal of 1001000111012 is 2101110001001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1001000111017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8565923 + ... + 8681994.

It is an arithmetic number, because the mean of its divisors is an integer number (79685381160).

Almost surely, 2^{1001000111012} is an apocalyptic number.

It is an amenable number.

1001000111012 is a deficient number, since it is larger than the sum of its proper divisors (911449036828).

1001000111012 is a wasteful number, since it uses less digits than its factorization.

1001000111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17249251 (or 17249249 counting only the distinct ones).

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

Adding to 1001000111012 its reverse (2101110001001), we get a palindrome (3102110112013).

The spelling of 1001000111012 in words is "one trillion, one billion, one hundred eleven thousand, twelve".