201122432430 has 64 divisors (see below), whose sum is σ = 493178526720. Its totient is φ = 52468677504.

The previous prime is 201122432419. The next prime is 201122432437. The reversal of 201122432430 is 34234221102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201122432430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122432437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3338637 + ... + 3398343.

It is an arithmetic number, because the mean of its divisors is an integer number (7705914480).

Almost surely, 2^201122432430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201122432430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246589263360).

201122432430 is an abundant number, since it is smaller than the sum of its proper divisors (292056094290).

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

201122432430 is a wasteful number, since it uses less digits than its factorization.

201122432430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62153.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201122432430 its reverse (34234221102), we get a palindrome (235356653532).

It can be divided in two parts, 20112 and 2432430, that added together give a palindrome (2452542).

The spelling of 201122432430 in words is "two hundred one billion, one hundred twenty-two million, four hundred thirty-two thousand, four hundred thirty".