201440432122 has 16 divisors (see below), whose sum is σ = 303738393600. Its totient is φ = 100194499152.

The previous prime is 201440432119. The next prime is 201440432129. The reversal of 201440432122 is 221234044102.

It is not an unprimeable number, because it can be changed into a prime (201440432129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107623 + ... + 2201125.

It is an arithmetic number, because the mean of its divisors is an integer number (18983649600).

Almost surely, 2^201440432122 is an apocalyptic number.

201440432122 is a deficient number, since it is larger than the sum of its proper divisors (102297961478).

201440432122 is a wasteful number, since it uses less digits than its factorization.

201440432122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99117.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201440432122 its reverse (221234044102), we get a palindrome (422674476224).

The spelling of 201440432122 in words is "two hundred one billion, four hundred forty million, four hundred thirty-two thousand, one hundred twenty-two".