10421333132 has 72 divisors (see below), whose sum is σ = 22489370064. Its totient is φ = 4198591488.

The previous prime is 10421333129. The next prime is 10421333179. The reversal of 10421333132 is 23133312401.

It is a junction number, because it is equal to n+sod(n) for n = 10421333098 and 10421333107.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4353728 + ... + 4356120.

It is an arithmetic number, because the mean of its divisors is an integer number (312352362).

Almost surely, 2^10421333132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10421333132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11244685032).

10421333132 is an abundant number, since it is smaller than the sum of its proper divisors (12068036932).

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

10421333132 is a wasteful number, since it uses less digits than its factorization.

10421333132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 10421333132 its reverse (23133312401), we get a palindrome (33554645533).

The spelling of 10421333132 in words is "ten billion, four hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty-two".