201432442124 has 6 divisors (see below), whose sum is σ = 352506773724. Its totient is φ = 100716221060.

The previous prime is 201432442117. The next prime is 201432442129. The reversal of 201432442124 is 421244234102.

It is a happy number.

201432442124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201432442129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25179055262 + ... + 25179055269.

It is an arithmetic number, because the mean of its divisors is an integer number (58751128954).

Almost surely, 2^201432442124 is an apocalyptic number.

It is an amenable number.

201432442124 is a deficient number, since it is larger than the sum of its proper divisors (151074331600).

201432442124 is a wasteful number, since it uses less digits than its factorization.

201432442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50358110535 (or 50358110533 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 201432442124 its reverse (421244234102), we get a palindrome (622676676226).

The spelling of 201432442124 in words is "two hundred one billion, four hundred thirty-two million, four hundred forty-two thousand, one hundred twenty-four".