203212142344 has 16 divisors (see below), whose sum is σ = 403435871100. Its totient is φ = 95629243392.

The previous prime is 203212142323. The next prime is 203212142377. The reversal of 203212142344 is 443241212302.

It can be written as a sum of positive squares in 2 ways, for example, as 174832696900 + 28379445444 = 418130^2 + 168462^2 .

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 3 ways as a sum of consecutive naturals, for example, 747103329 + ... + 747103600.

Almost surely, 2^203212142344 is an apocalyptic number.

It is an amenable number.

203212142344 is a deficient number, since it is larger than the sum of its proper divisors (200223728756).

203212142344 is a wasteful number, since it uses less digits than its factorization.

203212142344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494206952 (or 1494206948 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 203212142344 its reverse (443241212302), we get a palindrome (646453354646).

The spelling of 203212142344 in words is "two hundred three billion, two hundred twelve million, one hundred forty-two thousand, three hundred forty-four".