21142433112032 has 24 divisors (see below), whose sum is σ = 42749142629256. Its totient is φ = 10285507999872.

The previous prime is 21142433112007. The next prime is 21142433112041. The reversal of 21142433112032 is 23021133424112.

It is a happy number.

21142433112032 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 21142433111986 and 21142433112004.

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, 8928391178 + ... + 8928393545.

It is an arithmetic number, because the mean of its divisors is an integer number (1781214276219).

Almost surely, 2^{21142433112032} is an apocalyptic number.

It is an amenable number.

21142433112032 is an abundant number, since it is smaller than the sum of its proper divisors (21606709517224).

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

21142433112032 is a wasteful number, since it uses less digits than its factorization.

21142433112032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856784770 (or 17856784762 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21142433112032 its reverse (23021133424112), we get a palindrome (44163566536144).

The spelling of 21142433112032 in words is "twenty-one trillion, one hundred forty-two billion, four hundred thirty-three million, one hundred twelve thousand, thirty-two".