13021002032 has 20 divisors (see below), whose sum is σ = 26712203256. Its totient is φ = 6127530240.

The previous prime is 13021002023. The next prime is 13021002037. The reversal of 13021002032 is 23020012031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13021001998 and 13021002016.

It is not an unprimeable number, because it can be changed into a prime (13021002037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23935394 + ... + 23935937.

Almost surely, 2^13021002032 is an apocalyptic number.

It is an amenable number.

13021002032 is an abundant number, since it is smaller than the sum of its proper divisors (13691201224).

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

13021002032 is a wasteful number, since it uses less digits than its factorization.

13021002032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47871356 (or 47871350 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13021002032 its reverse (23020012031), we get a palindrome (36041014063).

Subtracting 13021002032 from its reverse (23020012031), we obtain a palindrome (9999009999).

The spelling of 13021002032 in words is "thirteen billion, twenty-one million, two thousand, thirty-two".