12141321320 has 32 divisors (see below), whose sum is σ = 27321559200. Its totient is φ = 4855891008.

The previous prime is 12141321197. The next prime is 12141321331. The reversal of 12141321320 is 2312314121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12141321292 and 12141321301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395567 + ... + 425153.

It is an arithmetic number, because the mean of its divisors is an integer number (853798725).

Almost surely, 2^12141321320 is an apocalyptic number.

12141321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12141321320 is an abundant number, since it is smaller than the sum of its proper divisors (15180237880).

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

12141321320 is a wasteful number, since it uses less digits than its factorization.

12141321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39857 (or 39853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12141321320 its reverse (2312314121), we get a palindrome (14453635441).

The spelling of 12141321320 in words is "twelve billion, one hundred forty-one million, three hundred twenty-one thousand, three hundred twenty".