21202132203232 has 48 divisors (see below), whose sum is σ = 43341591585600. Its totient is φ = 10197461747200.

The previous prime is 21202132203193. The next prime is 21202132203247. The reversal of 21202132203232 is 23230223120212.

It is a junction number, because it is equal to n+sod(n) for n = 21202132203197 and 21202132203206.

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, 42217144 + ... + 42716407.

It is an arithmetic number, because the mean of its divisors is an integer number (902949824700).

Almost surely, 2^{21202132203232} is an apocalyptic number.

It is an amenable number.

21202132203232 is an abundant number, since it is smaller than the sum of its proper divisors (22139459382368).

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

21202132203232 is a wasteful number, since it uses less digits than its factorization.

21202132203232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84933859 (or 84933851 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21202132203232 its reverse (23230223120212), we get a palindrome (44432355323444).

The spelling of 21202132203232 in words is "twenty-one trillion, two hundred two billion, one hundred thirty-two million, two hundred three thousand, two hundred thirty-two".