21124141206032 has 20 divisors (see below), whose sum is σ = 42248282413056. Its totient is φ = 10221358647840.

The previous prime is 21124141206011. The next prime is 21124141206037. The reversal of 21124141206032 is 23060214142112.

It is a happy number.

21124141206032 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21124141205986 and 21124141206004.

It is not an unprimeable number, because it can be changed into a prime (21124141206037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21294496688 + ... + 21294497679.

Almost surely, 2^{21124141206032} is an apocalyptic number.

It is an amenable number.

21124141206032 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21124141206032 is a wasteful number, since it uses less digits than its factorization.

21124141206032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42588994406 (or 42588994400 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 21124141206032 its reverse (23060214142112), we get a palindrome (44184355348144).

The spelling of 21124141206032 in words is "twenty-one trillion, one hundred twenty-four billion, one hundred forty-one million, two hundred six thousand, thirty-two".