12002326532 has 72 divisors (see below), whose sum is σ = 25331576256. Its totient is φ = 4873581504.

The previous prime is 12002326499. The next prime is 12002326537. The reversal of 12002326532 is 23562320021.

It is a super-2 number, since 2×12002326532² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12002326537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581098 + ... + 1588670.

It is an arithmetic number, because the mean of its divisors is an integer number (351827448).

Almost surely, 2^12002326532 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 12002326532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12665788128).

12002326532 is an abundant number, since it is smaller than the sum of its proper divisors (13329249724).

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

12002326532 is a wasteful number, since it uses less digits than its factorization.

12002326532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12002326532 its reverse (23562320021), we get a palindrome (35564646553).

The spelling of 12002326532 in words is "twelve billion, two million, three hundred twenty-six thousand, five hundred thirty-two".