13002121232 has 20 divisors (see below), whose sum is σ = 26060287020. Its totient is φ = 6276885888.

The previous prime is 13002121217. The next prime is 13002121241. The reversal of 13002121232 is 23212120031.

It can be written as a sum of positive squares in 2 ways, for example, as 4485784576 + 8516336656 = 66976^2 + 92284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13002121232.

It is an unprimeable number.

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, 14010443 + ... + 14011370.

It is an arithmetic number, because the mean of its divisors is an integer number (1303014351).

Almost surely, 2^13002121232 is an apocalyptic number.

It is an amenable number.

13002121232 is an abundant number, since it is smaller than the sum of its proper divisors (13058165788).

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

13002121232 is a wasteful number, since it uses less digits than its factorization.

13002121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28021850 (or 28021844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13002121232 its reverse (23212120031), we get a palindrome (36214241263).

The spelling of 13002121232 in words is "thirteen billion, two million, one hundred twenty-one thousand, two hundred thirty-two".