1012001122009 has 8 divisors (see below), whose sum is σ = 1056270859200. Its totient is φ = 967753858896.

The previous prime is 1012001121997. The next prime is 1012001122043. The reversal of 1012001122009 is 9002211002101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012001122009 - 2⁹ = 1012001121497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012001122609) 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, 5526459 + ... + 5706640.

It is an arithmetic number, because the mean of its divisors is an integer number (132033857400).

Almost surely, 2^{1012001122009} is an apocalyptic number.

It is an amenable number.

1012001122009 is a deficient number, since it is larger than the sum of its proper divisors (44269737191).

1012001122009 is a wasteful number, since it uses less digits than its factorization.

1012001122009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237039.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1012001122009 in words is "one trillion, twelve billion, one million, one hundred twenty-two thousand, nine".