212343102 has 12 divisors (see below), whose sum is σ = 460076760. Its totient is φ = 70781028.

The previous prime is 212343101. The next prime is 212343113. The reversal of 212343102 is 201343212.

212343102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11796839 = 212343102 / (2 + 1 + 2 + 3 + 4 + 3 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212343101) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5898402 + ... + 5898437.

It is an arithmetic number, because the mean of its divisors is an integer number (38339730).

Almost surely, 2^212343102 is an apocalyptic number.

212343102 is an abundant number, since it is smaller than the sum of its proper divisors (247733658).

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

212343102 is a wasteful number, since it uses less digits than its factorization.

212343102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11796847 (or 11796844 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 212343102 is about 14571.9971863846. The cubic root of 212343102 is about 596.5946930374.

Adding to 212343102 its reverse (201343212), we get a palindrome (413686314).

It can be divided in two parts, 21234 and 3102, that added together give a square (24336 = 156²).

The spelling of 212343102 in words is "two hundred twelve million, three hundred forty-three thousand, one hundred two".