100200012002 has 4 divisors (see below), whose sum is σ = 150300018006. Its totient is φ = 50100006000.

The previous prime is 100200011993. The next prime is 100200012007. The reversal of 100200012002 is 200210002001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200210002001 = 374989 ⋅533909.

It can be written as a sum of positive squares in only one way, i.e., 65238865561 + 34961146441 = 255419^2 + 186979^2 .

It is not an unprimeable number, because it can be changed into a prime (100200012007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25050002999 + ... + 25050003002.

Almost surely, 2^100200012002 is an apocalyptic number.

100200012002 is a deficient number, since it is larger than the sum of its proper divisors (50100006004).

100200012002 is an equidigital number, since it uses as much as digits as its factorization.

100200012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50100006003.

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

Adding to 100200012002 its reverse (200210002001), we get a palindrome (300410014003).

The spelling of 100200012002 in words is "one hundred billion, two hundred million, twelve thousand, two".