210342203124 has 24 divisors (see below), whose sum is σ = 519668972928. Its totient is φ = 65989710720.

The previous prime is 210342203087. The next prime is 210342203131. The reversal of 210342203124 is 421302243012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210342203094 and 210342203103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515544412 + ... + 515544819.

It is an arithmetic number, because the mean of its divisors is an integer number (21652873872).

Almost surely, 2^210342203124 is an apocalyptic number.

It is an amenable number.

210342203124 is an abundant number, since it is smaller than the sum of its proper divisors (309326769804).

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

210342203124 is a wasteful number, since it uses less digits than its factorization.

210342203124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031089255 (or 1031089253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 210342203124 its reverse (421302243012), we get a palindrome (631644446136).

The spelling of 210342203124 in words is "two hundred ten billion, three hundred forty-two million, two hundred three thousand, one hundred twenty-four".