212210102 has 16 divisors (see below), whose sum is σ = 343632912. Its totient is φ = 97705440.

The previous prime is 212210093. The next prime is 212210111. The reversal of 212210102 is 201012212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212210093) and next prime (212210111).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253 + ... + 20639.

It is an arithmetic number, because the mean of its divisors is an integer number (21477057).

Almost surely, 2^212210102 is an apocalyptic number.

212210102 is a deficient number, since it is larger than the sum of its proper divisors (131422810).

212210102 is a wasteful number, since it uses less digits than its factorization.

212210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19823.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212210102 is about 14567.4329241634. The cubic root of 212210102 is about 596.4701090263.

Adding to 212210102 its reverse (201012212), we get a palindrome (413222314).

The spelling of 212210102 in words is "two hundred twelve million, two hundred ten thousand, one hundred two".