21132041332 has 12 divisors (see below), whose sum is σ = 37347222276. Its totient is φ = 10461406400.

The previous prime is 21132041263. The next prime is 21132041419. The reversal of 21132041332 is 23314023112.

It can be written as a sum of positive squares in 2 ways, for example, as 20253274596 + 878766736 = 142314^2 + 29644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26153113 + ... + 26153920.

It is an arithmetic number, because the mean of its divisors is an integer number (3112268523).

Almost surely, 2^21132041332 is an apocalyptic number.

It is an amenable number.

21132041332 is a deficient number, since it is larger than the sum of its proper divisors (16215180944).

21132041332 is a wasteful number, since it uses less digits than its factorization.

21132041332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52307138 (or 52307136 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21132041332 its reverse (23314023112), we get a palindrome (44446064444).

The spelling of 21132041332 in words is "twenty-one billion, one hundred thirty-two million, forty-one thousand, three hundred thirty-two".