12012301332 has 18 divisors (see below), whose sum is σ = 30364428458. Its totient is φ = 4004100432.

The previous prime is 12012301297. The next prime is 12012301349. The reversal of 12012301332 is 23310321021.

12012301332 is a `hidden beast` number, since 1 + 20 + 12 + 301 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10173949956 + 1838351376 = 100866^2 + 42876^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166837483 + ... + 166837554.

Almost surely, 2^12012301332 is an apocalyptic number.

12012301332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012301332 is an abundant number, since it is smaller than the sum of its proper divisors (18352127126).

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

12012301332 is a wasteful number, since it uses less digits than its factorization.

12012301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333675047 (or 333675042 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12012301332 its reverse (23310321021), we get a palindrome (35322622353).

The spelling of 12012301332 in words is "twelve billion, twelve million, three hundred one thousand, three hundred thirty-two".