12135000132 has 18 divisors (see below), whose sum is σ = 30674583758. Its totient is φ = 4045000032.

The previous prime is 12135000113. The next prime is 12135000173. The reversal of 12135000132 is 23100053121.

It can be written as a sum of positive squares in only one way, i.e., 12015228996 + 119771136 = 109614^2 + 10944^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168541633 + ... + 168541704.

Almost surely, 2^12135000132 is an apocalyptic number.

12135000132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12135000132 is an abundant number, since it is smaller than the sum of its proper divisors (18539583626).

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

12135000132 is a wasteful number, since it uses less digits than its factorization.

12135000132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337083347 (or 337083342 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 12135000132 its reverse (23100053121), we get a palindrome (35235053253).

The spelling of 12135000132 in words is "twelve billion, one hundred thirty-five million, one hundred thirty-two", and thus it is an aban number.