12132532123 has 16 divisors (see below), whose sum is σ = 12450340864. Its totient is φ = 11819364480.

The previous prime is 12132532121. The next prime is 12132532129. The reversal of 12132532123 is 32123523121.

It is a cyclic number.

It is not a de Polignac number, because 12132532123 - 2¹ = 12132532121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132532121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865418 + ... + 2869648.

It is an arithmetic number, because the mean of its divisors is an integer number (778146304).

Almost surely, 2^12132532123 is an apocalyptic number.

12132532123 is a deficient number, since it is larger than the sum of its proper divisors (317808741).

12132532123 is a wasteful number, since it uses less digits than its factorization.

12132532123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762.

The product of its digits is 2160, while the sum is 25.

The spelling of 12132532123 in words is "twelve billion, one hundred thirty-two million, five hundred thirty-two thousand, one hundred twenty-three".