13123032132 has 48 divisors (see below), whose sum is σ = 35002461312. Its totient is φ = 3748611840.

The previous prime is 13123032031. The next prime is 13123032133. The reversal of 13123032132 is 23123032131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13123032099 and 13123032108.

It is not an unprimeable number, because it can be changed into a prime (13123032133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437488 + ... + 466520.

It is an arithmetic number, because the mean of its divisors is an integer number (729217944).

Almost surely, 2^13123032132 is an apocalyptic number.

13123032132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123032132 is an abundant number, since it is smaller than the sum of its proper divisors (21879429180).

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

13123032132 is a wasteful number, since it uses less digits than its factorization.

13123032132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34428 (or 34426 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13123032132 its reverse (23123032131), we get a palindrome (36246064263).

Subtracting 13123032132 from its reverse (23123032131), we obtain a palindrome (9999999999).

The spelling of 13123032132 in words is "thirteen billion, one hundred twenty-three million, thirty-two thousand, one hundred thirty-two".