101212208 has 10 divisors (see below), whose sum is σ = 196098684. Its totient is φ = 50606096.

The previous prime is 101212207. The next prime is 101212211. The reversal of 101212208 is 802212101.

It is a happy number.

It is a super-2 number, since 2×101212208² = 20487822096470528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101212207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3162866 + ... + 3162897.

Almost surely, 2^101212208 is an apocalyptic number.

It is an amenable number.

101212208 is a deficient number, since it is larger than the sum of its proper divisors (94886476).

101212208 is an equidigital number, since it uses as much as digits as its factorization.

101212208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325771 (or 6325765 counting only the distinct ones).

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

The square root of 101212208 is about 10060.4278239049. The cubic root of 101212208 is about 466.0268792787.

Adding to 101212208 its reverse (802212101), we get a palindrome (903424309).

The spelling of 101212208 in words is "one hundred one million, two hundred twelve thousand, two hundred eight".