201421342321232 has 80 divisors (see below), whose sum is σ = 437251610980800. Its totient is φ = 89077863813120.

The previous prime is 201421342321231. The next prime is 201421342321259. The reversal of 201421342321232 is 232123243124102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201421342321231) 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 15 ways as a sum of consecutive naturals, for example, 211679744 + ... + 212629152.

It is an arithmetic number, because the mean of its divisors is an integer number (5465645137260).

Almost surely, 2^{201421342321232} is an apocalyptic number.

201421342321232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201421342321232 is an abundant number, since it is smaller than the sum of its proper divisors (235830268659568).

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

201421342321232 is a wasteful number, since it uses less digits than its factorization.

201421342321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982044 (or 982038 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 201421342321232 its reverse (232123243124102), we get a palindrome (433544585445334).

The spelling of 201421342321232 in words is "two hundred one trillion, four hundred twenty-one billion, three hundred forty-two million, three hundred twenty-one thousand, two hundred thirty-two".