12320421350 has 48 divisors (see below), whose sum is σ = 23028213600. Its totient is φ = 4904110080.

The previous prime is 12320421343. The next prime is 12320421409. The reversal of 12320421350 is 5312402321.

It is a congruent 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, 14684231 + ... + 14685069.

It is an arithmetic number, because the mean of its divisors is an integer number (479754450).

Almost surely, 2^12320421350 is an apocalyptic number.

12320421350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320421350 is a deficient number, since it is larger than the sum of its proper divisors (10707792250).

12320421350 is a wasteful number, since it uses less digits than its factorization.

12320421350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12320421350 its reverse (5312402321), we get a palindrome (17632823671).

The spelling of 12320421350 in words is "twelve billion, three hundred twenty million, four hundred twenty-one thousand, three hundred fifty".