12012024132 has 36 divisors (see below), whose sum is σ = 30664367916. Its totient is φ = 3964363200.

The previous prime is 12012024121. The next prime is 12012024149. The reversal of 12012024132 is 23142021021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9425691396 + 2586332736 = 97086^2 + 50856^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 1648183 + ... + 1655454.

Almost surely, 2^12012024132 is an apocalyptic number.

12012024132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012024132 is an abundant number, since it is smaller than the sum of its proper divisors (18652343784).

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

12012024132 is a wasteful number, since it uses less digits than its factorization.

12012024132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303748 (or 3303743 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12012024132 its reverse (23142021021), we get a palindrome (35154045153).

The spelling of 12012024132 in words is "twelve billion, twelve million, twenty-four thousand, one hundred thirty-two".