12133142132 has 18 divisors (see below), whose sum is σ = 22409344818. Its totient is φ = 5747277168.

The previous prime is 12133142117. The next prime is 12133142149. The reversal of 12133142132 is 23124133121.

It can be written as a sum of positive squares in only one way, i.e., 9046672996 + 3086469136 = 95114^2 + 55556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12133142098 and 12133142107.

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, 4199783 + ... + 4202670.

It is an arithmetic number, because the mean of its divisors is an integer number (1244963601).

Almost surely, 2^12133142132 is an apocalyptic number.

It is an amenable number.

12133142132 is a deficient number, since it is larger than the sum of its proper divisors (10276202686).

12133142132 is a wasteful number, since it uses less digits than its factorization.

12133142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402495 (or 8402474 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 12133142132 its reverse (23124133121), we get a palindrome (35257275253).

The spelling of 12133142132 in words is "twelve billion, one hundred thirty-three million, one hundred forty-two thousand, one hundred thirty-two".