21201200033132 has 24 divisors (see below), whose sum is σ = 42413579398176. Its totient is φ = 9083833014528.

The previous prime is 21201200033089. The next prime is 21201200033161. The reversal of 21201200033132 is 23133000210212.

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, 99707363 + ... + 99919770.

It is an arithmetic number, because the mean of its divisors is an integer number (1767232474924).

Almost surely, 2^{21201200033132} is an apocalyptic number.

It is an amenable number.

21201200033132 is an abundant number, since it is smaller than the sum of its proper divisors (21212379365044).

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

21201200033132 is a wasteful number, since it uses less digits than its factorization.

21201200033132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199630937 (or 199630935 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21201200033132 its reverse (23133000210212), we get a palindrome (44334200243344).

The spelling of 21201200033132 in words is "twenty-one trillion, two hundred one billion, two hundred million, thirty-three thousand, one hundred thirty-two".