1000012001011 has 8 divisors (see below), whose sum is σ = 1014112848240. Its totient is φ = 985974815232.

The previous prime is 1000012000997. The next prime is 1000012001029. The reversal of 1000012001011 is 1101002100001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000012001011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000012000985 and 1000012001003.

It is not an unprimeable number, because it can be changed into a prime (1000012001071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15883725 + ... + 15946558.

It is an arithmetic number, because the mean of its divisors is an integer number (126764106030).

Almost surely, 2^{1000012001011} is an apocalyptic number.

1000012001011 is a deficient number, since it is larger than the sum of its proper divisors (14100847229).

1000012001011 is an equidigital number, since it uses as much as digits as its factorization.

1000012001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31830725.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1000012001011 its reverse (1101002100001), we get a palindrome (2101014101012).

It can be divided in two parts, 100001 and 2001011, that added together give a palindrome (2101012).

The spelling of 1000012001011 in words is "one trillion, twelve million, one thousand, eleven".