12321013321050 has 144 divisors (see below), whose sum is σ = 37090295658432. Its totient is φ = 2693786726400.

The previous prime is 12321013321049. The next prime is 12321013321103. The reversal of 12321013321050 is 5012331012321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12321013321050.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36272871 + ... + 36610970.

It is an arithmetic number, because the mean of its divisors is an integer number (257571497628).

Almost surely, 2^{12321013321050} is an apocalyptic number.

12321013321050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321013321050 is an abundant number, since it is smaller than the sum of its proper divisors (24769282337382).

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

12321013321050 is a wasteful number, since it uses less digits than its factorization.

12321013321050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72883893 (or 72883881 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 12321013321050 its reverse (5012331012321), we get a palindrome (17333344333371).

The spelling of 12321013321050 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twenty-one thousand, fifty".