1000002012001 has 4 divisors (see below), whose sum is σ = 1005588615600. Its totient is φ = 994415408404.

The previous prime is 1000002011963. The next prime is 1000002012041. The reversal of 1000002012001 is 1002102000001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000002012001 - 2¹⁷ = 1000001880929 is a prime.

It is a super-3 number, since 3×1000002012001³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000002012041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2793301531 + ... + 2793301888.

It is an arithmetic number, because the mean of its divisors is an integer number (251397153900).

Almost surely, 2^{1000002012001} is an apocalyptic number.

It is an amenable number.

1000002012001 is a deficient number, since it is larger than the sum of its proper divisors (5586603599).

1000002012001 is an equidigital number, since it uses as much as digits as its factorization.

1000002012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586603598.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1000002012001 its reverse (1002102000001), we get a palindrome (2002104012002).

The spelling of 1000002012001 in words is "one trillion, two million, twelve thousand, one".