208212102 has 48 divisors (see below), whose sum is σ = 517121280. Its totient is φ = 59310576.

The previous prime is 208212097. The next prime is 208212119. The reversal of 208212102 is 201212802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42933 + ... + 47535.

It is an arithmetic number, because the mean of its divisors is an integer number (10773360).

Almost surely, 2^208212102 is an apocalyptic number.

208212102 is an abundant number, since it is smaller than the sum of its proper divisors (308909178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208212102 is a wasteful number, since it uses less digits than its factorization.

208212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 208212102 is about 14429.5565420424. The cubic root of 208212102 is about 592.7005399254.

Adding to 208212102 its reverse (201212802), we get a palindrome (409424904).

The spelling of 208212102 in words is "two hundred eight million, two hundred twelve thousand, one hundred two".