13123132132 has 12 divisors (see below), whose sum is σ = 25053252336. Its totient is φ = 5965060040.

The previous prime is 13123132091. The next prime is 13123132157. The reversal of 13123132132 is 23123132131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149126458 + ... + 149126545.

It is an arithmetic number, because the mean of its divisors is an integer number (2087771028).

Almost surely, 2^13123132132 is an apocalyptic number.

It is an amenable number.

13123132132 is a deficient number, since it is larger than the sum of its proper divisors (11930120204).

13123132132 is a wasteful number, since it uses less digits than its factorization.

13123132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298253018 (or 298253016 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 13123132132 its reverse (23123132131), we get a palindrome (36246264263).

Subtracting 13123132132 from its reverse (23123132131), we obtain a palindrome (9999999999).

The spelling of 13123132132 in words is "thirteen billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-two".