100012001002 has 8 divisors (see below), whose sum is σ = 150033183012. Its totient is φ = 50000940000.

The previous prime is 100012000993. The next prime is 100012001087. The reversal of 100012001002 is 200100210001.

It can be written as a sum of positive squares in 2 ways, for example, as 91481446681 + 8530554321 = 302459^2 + 92361^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505499 + ... + 2545102.

Almost surely, 2^100012001002 is an apocalyptic number.

100012001002 is a deficient number, since it is larger than the sum of its proper divisors (50021182010).

100012001002 is an equidigital number, since it uses as much as digits as its factorization.

100012001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060504.

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

Adding to 100012001002 its reverse (200100210001), we get a palindrome (300112211003).

It can be divided in two parts, 10001 and 2001002, that multiplied together give a palindrome (20012021002).

The spelling of 100012001002 in words is "one hundred billion, twelve million, one thousand, two".