102012208 has 10 divisors (see below), whose sum is σ = 197648684. Its totient is φ = 51006096.

The previous prime is 102012187. The next prime is 102012217. The reversal of 102012208 is 802210201.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 6375763 = 102012208 / (1 + 0 + 2 + 0 + 1 + 2 + 2 + 0 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 102012191 and 102012200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187866 + ... + 3187897.

Almost surely, 2^102012208 is an apocalyptic number.

It is an amenable number.

102012208 is a deficient number, since it is larger than the sum of its proper divisors (95636476).

102012208 is an equidigital number, since it uses as much as digits as its factorization.

102012208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375771 (or 6375765 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 102012208 is about 10100.1093063392. The cubic root of 102012208 is about 467.2515125459.

Adding to 102012208 its reverse (802210201), we get a palindrome (904222409).

The spelling of 102012208 in words is "one hundred two million, twelve thousand, two hundred eight".