12013210032 has 80 divisors (see below), whose sum is σ = 31467852000. Its totient is φ = 3948685312.

The previous prime is 12013209991. The next prime is 12013210051. The reversal of 12013210032 is 23001231021.

It is a junction number, because it is equal to n+sod(n) for n = 12013209993 and 12013210020.

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 15 ways as a sum of consecutive naturals, for example, 1658194 + ... + 1665422.

It is an arithmetic number, because the mean of its divisors is an integer number (393348150).

Almost surely, 2^12013210032 is an apocalyptic number.

12013210032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013210032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15733926000).

12013210032 is an abundant number, since it is smaller than the sum of its proper divisors (19454641968).

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

12013210032 is a wasteful number, since it uses less digits than its factorization.

12013210032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12013210032 its reverse (23001231021), we get a palindrome (35014441053).

The spelling of 12013210032 in words is "twelve billion, thirteen million, two hundred ten thousand, thirty-two".