10012002002 has 4 divisors (see below), whose sum is σ = 15018003006. Its totient is φ = 5006001000.

The previous prime is 10012001971. The next prime is 10012002019. The reversal of 10012002002 is 20020021001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20020021001 = 65981 ⋅303421.

It can be written as a sum of positive squares in only one way, i.e., 6374585281 + 3637416721 = 79841^2 + 60311^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503000499 + ... + 2503000502.

Almost surely, 2^10012002002 is an apocalyptic number.

10012002002 is a deficient number, since it is larger than the sum of its proper divisors (5006001004).

10012002002 is an equidigital number, since it uses as much as digits as its factorization.

10012002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006001003.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10012002002 its reverse (20020021001), we get a palindrome (30032023003).

It can be divided in two parts, 1001 and 2002002, that multiplied together give a palindrome (2004004002).

The spelling of 10012002002 in words is "ten billion, twelve million, two thousand, two".