13120450332 has 48 divisors (see below), whose sum is σ = 35362075392. Its totient is φ = 3742017280.

The previous prime is 13120450327. The next prime is 13120450333. The reversal of 13120450332 is 23305402131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120450333) 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, 2921208 + ... + 2925695.

It is an arithmetic number, because the mean of its divisors is an integer number (736709904).

Almost surely, 2^13120450332 is an apocalyptic number.

13120450332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120450332 is an abundant number, since it is smaller than the sum of its proper divisors (22241625060).

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

13120450332 is a wasteful number, since it uses less digits than its factorization.

13120450332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846938 (or 5846936 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 13120450332 its reverse (23305402131), we get a palindrome (36425852463).

The spelling of 13120450332 in words is "thirteen billion, one hundred twenty million, four hundred fifty thousand, three hundred thirty-two".