203211242142 has 16 divisors (see below), whose sum is σ = 406519834512. Its totient is φ = 67720855680.

The previous prime is 203211242107. The next prime is 203211242161. The reversal of 203211242142 is 241242112302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4029109 + ... + 4079232.

It is an arithmetic number, because the mean of its divisors is an integer number (25407489657).

Almost surely, 2^203211242142 is an apocalyptic number.

203211242142 is an abundant number, since it is smaller than the sum of its proper divisors (203308592370).

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

203211242142 is a wasteful number, since it uses less digits than its factorization.

203211242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112523.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 203211242142 its reverse (241242112302), we get a palindrome (444453354444).

The spelling of 203211242142 in words is "two hundred three billion, two hundred eleven million, two hundred forty-two thousand, one hundred forty-two".