12012134132 has 6 divisors (see below), whose sum is σ = 21021234738. Its totient is φ = 6006067064.

The previous prime is 12012134131. The next prime is 12012134171. The reversal of 12012134132 is 23143121021.

It can be written as a sum of positive squares in only one way, i.e., 11689069456 + 323064676 = 108116^2 + 17974^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012134131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501516763 + ... + 1501516770.

It is an arithmetic number, because the mean of its divisors is an integer number (3503539123).

Almost surely, 2^12012134132 is an apocalyptic number.

It is an amenable number.

12012134132 is a deficient number, since it is larger than the sum of its proper divisors (9009100606).

12012134132 is a wasteful number, since it uses less digits than its factorization.

12012134132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003033537 (or 3003033535 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12012134132 its reverse (23143121021), we get a palindrome (35155255153).

The spelling of 12012134132 in words is "twelve billion, twelve million, one hundred thirty-four thousand, one hundred thirty-two".