1000111001012 has 12 divisors (see below), whose sum is σ = 1752352326816. Its totient is φ = 499438907640.

The previous prime is 1000111001003. The next prime is 1000111001063. The reversal of 1000111001012 is 2101001110001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154144568 + ... + 154151055.

It is an arithmetic number, because the mean of its divisors is an integer number (146029360568).

Almost surely, 2^{1000111001012} is an apocalyptic number.

It is an amenable number.

1000111001012 is a deficient number, since it is larger than the sum of its proper divisors (752241325804).

1000111001012 is a wasteful number, since it uses less digits than its factorization.

1000111001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308296438 (or 308296436 counting only the distinct ones).

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

Adding to 1000111001012 its reverse (2101001110001), we get a palindrome (3101112111013).

The spelling of 1000111001012 in words is "one trillion, one hundred eleven million, one thousand, twelve".