10021212008 has 16 divisors (see below), whose sum is σ = 18983482980. Its totient is φ = 4958949888.

The previous prime is 10021211989. The next prime is 10021212011. The reversal of 10021212008 is 80021212001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9765787684 + 255424324 = 98822^2 + 15982^2 .

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, 6456191 + ... + 6457742.

Almost surely, 2^10021212008 is an apocalyptic number.

It is an amenable number.

10021212008 is a deficient number, since it is larger than the sum of its proper divisors (8962270972).

10021212008 is a wasteful number, since it uses less digits than its factorization.

10021212008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12914036 (or 12914032 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10021212008 its reverse (80021212001), we get a palindrome (90042424009).

The spelling of 10021212008 in words is "ten billion, twenty-one million, two hundred twelve thousand, eight".