13132120450 has 48 divisors (see below), whose sum is σ = 25037834976. Its totient is φ = 5121648000.

The previous prime is 13132120447. The next prime is 13132120483. The reversal of 13132120450 is 5402123131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1287069 + ... + 1297231.

It is an arithmetic number, because the mean of its divisors is an integer number (521621562).

Almost surely, 2^13132120450 is an apocalyptic number.

13132120450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13132120450 is a deficient number, since it is larger than the sum of its proper divisors (11905714526).

13132120450 is a wasteful number, since it uses less digits than its factorization.

13132120450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10819 (or 10814 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13132120450 its reverse (5402123131), we get a palindrome (18534243581).

The spelling of 13132120450 in words is "thirteen billion, one hundred thirty-two million, one hundred twenty thousand, four hundred fifty".