203122401201242 has 8 divisors (see below), whose sum is σ = 304685191845300. Its totient is φ = 101560670586144.

The previous prime is 203122401201241. The next prime is 203122401201253. The reversal of 203122401201242 is 242102104221302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 170472479493121 + 32649921708121 = 13056511^2 + 5714011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (203122401201241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264528017 + ... + 265294772.

Almost surely, 2^{203122401201242} is an apocalyptic number.

203122401201242 is a deficient number, since it is larger than the sum of its proper divisors (101562790644058).

203122401201242 is a wasteful number, since it uses less digits than its factorization.

203122401201242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530014480.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 203122401201242 its reverse (242102104221302), we get a palindrome (445224505422544).

The spelling of 203122401201242 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred one million, two hundred one thousand, two hundred forty-two".