100000212008 has 8 divisors (see below), whose sum is σ = 187500397530. Its totient is φ = 50000106000.

The previous prime is 100000211939. The next prime is 100000212049. The reversal of 100000212008 is 800212000001.

It can be written as a sum of positive squares in only one way, i.e., 72985344964 + 27014867044 = 270158^2 + 164362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 100000211983 and 100000212001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250013243 + ... + 6250013258.

Almost surely, 2^100000212008 is an apocalyptic number.

It is an amenable number.

100000212008 is a deficient number, since it is larger than the sum of its proper divisors (87500185522).

100000212008 is a wasteful number, since it uses less digits than its factorization.

100000212008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500026507 (or 12500026503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100000212008 its reverse (800212000001), we get a palindrome (900212212009).

The spelling of 100000212008 in words is "one hundred billion, two hundred twelve thousand, eight".