10000012001 has 16 divisors (see below), whose sum is σ = 11475146880. Its totient is φ = 8536594560.

The previous prime is 10000011997. The next prime is 10000012007. The reversal of 10000012001 is 10021000001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10000012001 - 2² = 10000011997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000012007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1853630 + ... + 1859016.

It is an arithmetic number, because the mean of its divisors is an integer number (717196680).

Almost surely, 2^10000012001 is an apocalyptic number.

It is an amenable number.

10000012001 is a deficient number, since it is larger than the sum of its proper divisors (1475134879).

10000012001 is an equidigital number, since it uses as much as digits as its factorization.

10000012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10000012001 its reverse (10021000001), we get a palindrome (20021012002).

The spelling of 10000012001 in words is "ten billion, twelve thousand, one".