21412105533232 has 40 divisors (see below), whose sum is σ = 41643289190160. Its totient is φ = 10665456211200.

The previous prime is 21412105533199. The next prime is 21412105533239. The reversal of 21412105533232 is 23233550121412.

It is not an unprimeable number, because it can be changed into a prime (21412105533239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59650963 + ... + 60008845.

It is an arithmetic number, because the mean of its divisors is an integer number (1041082229754).

Almost surely, 2^{21412105533232} is an apocalyptic number.

It is an amenable number.

21412105533232 is a deficient number, since it is larger than the sum of its proper divisors (20231183656928).

21412105533232 is a wasteful number, since it uses less digits than its factorization.

21412105533232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372061 (or 372055 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 21412105533232 its reverse (23233550121412), we get a palindrome (44645655654644).

The spelling of 21412105533232 in words is "twenty-one trillion, four hundred twelve billion, one hundred five million, five hundred thirty-three thousand, two hundred thirty-two".