102212386 has 8 divisors (see below), whose sum is σ = 155607120. Its totient is φ = 50343348.

The previous prime is 102212377. The next prime is 102212387. The reversal of 102212386 is 683212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102212386.

It is not an unprimeable number, because it can be changed into a prime (102212387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381256 + ... + 381523.

It is an arithmetic number, because the mean of its divisors is an integer number (19450890).

Almost surely, 2^102212386 is an apocalyptic number.

102212386 is a deficient number, since it is larger than the sum of its proper divisors (53394734).

102212386 is an equidigital number, since it uses as much as digits as its factorization.

102212386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762848.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 102212386 is about 10110.0141444016. The cubic root of 102212386 is about 467.5569412184.

Adding to 102212386 its reverse (683212201), we get a palindrome (785424587).

The spelling of 102212386 in words is "one hundred two million, two hundred twelve thousand, three hundred eighty-six".