1009091010012 has 48 divisors (see below), whose sum is σ = 2364395443200. Its totient is φ = 334959177280.

The previous prime is 1009091010001. The next prime is 1009091010029. The reversal of 1009091010012 is 2100101909001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2934562 + ... + 3260342.

It is an arithmetic number, because the mean of its divisors is an integer number (49258238400).

Almost surely, 2^{1009091010012} is an apocalyptic number.

1009091010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1009091010012 is an abundant number, since it is smaller than the sum of its proper divisors (1355304433188).

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

1009091010012 is a wasteful number, since it uses less digits than its factorization.

1009091010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326866 (or 326864 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 24.

Adding to 1009091010012 its reverse (2100101909001), we get a palindrome (3109192919013).

The spelling of 1009091010012 in words is "one trillion, nine billion, ninety-one million, ten thousand, twelve".