210501203242 has 16 divisors (see below), whose sum is σ = 344482595712. Its totient is φ = 95675120320.

The previous prime is 210501203173. The next prime is 210501203261. The reversal of 210501203242 is 242302105012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59458 + ... + 651565.

It is an arithmetic number, because the mean of its divisors is an integer number (21530162232).

Almost surely, 2^210501203242 is an apocalyptic number.

210501203242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210501203242 is a deficient number, since it is larger than the sum of its proper divisors (133981392470).

210501203242 is a wasteful number, since it uses less digits than its factorization.

210501203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724493.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 210501203242 its reverse (242302105012), we get a palindrome (452803308254).

The spelling of 210501203242 in words is "two hundred ten billion, five hundred one million, two hundred three thousand, two hundred forty-two".