12132120032 has 24 divisors (see below), whose sum is σ = 24530657256. Its totient is φ = 5902111872.

The previous prime is 12132120031. The next prime is 12132120037. The reversal of 12132120032 is 23002123121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132120031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5122178 + ... + 5124545.

It is an arithmetic number, because the mean of its divisors is an integer number (1022110719).

Almost surely, 2^12132120032 is an apocalyptic number.

It is an amenable number.

12132120032 is an abundant number, since it is smaller than the sum of its proper divisors (12398537224).

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

12132120032 is a wasteful number, since it uses less digits than its factorization.

12132120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246770 (or 10246762 counting only the distinct ones).

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

Adding to 12132120032 its reverse (23002123121), we get a palindrome (35134243153).

The spelling of 12132120032 in words is "twelve billion, one hundred thirty-two million, one hundred twenty thousand, thirty-two".