10012001000002 has 4 divisors (see below), whose sum is σ = 15018001500006. Its totient is φ = 5006000500000.

The previous prime is 10012000999999. The next prime is 10012001000003. The reversal of 10012001000002 is 20000010021001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9057938948881 + 954062051121 = 3009641^2 + 976761^2 .

It is not an unprimeable number, because it can be changed into a prime (10012001000003) 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 as a sum of consecutive naturals, namely, 2503000249999 + ... + 2503000250002.

Almost surely, 2^{10012001000002} is an apocalyptic number.

10012001000002 is a deficient number, since it is larger than the sum of its proper divisors (5006000500004).

10012001000002 is an equidigital number, since it uses as much as digits as its factorization.

10012001000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006000500003.

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

Adding to 10012001000002 its reverse (20000010021001), we get a palindrome (30012011021003).

The spelling of 10012001000002 in words is "ten trillion, twelve billion, one million, two", and thus it is an aban number and an uban number.