212310102 has 32 divisors (see below), whose sum is σ = 458369280. Its totient is φ = 65357600.

The previous prime is 212310101. The next prime is 212310113. The reversal of 212310102 is 201013212.

212310102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212310102² = 90151158822500808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212310101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22524 + ... + 30527.

It is an arithmetic number, because the mean of its divisors is an integer number (14324040).

Almost surely, 2^212310102 is an apocalyptic number.

212310102 is an abundant number, since it is smaller than the sum of its proper divisors (246059178).

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

212310102 is a wasteful number, since it uses less digits than its factorization.

212310102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53108.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212310102 is about 14570.8648336329. The cubic root of 212310102 is about 596.5637860687.

Adding to 212310102 its reverse (201013212), we get a palindrome (413323314).

The spelling of 212310102 in words is "two hundred twelve million, three hundred ten thousand, one hundred two".