12303320322312 has 128 divisors (see below), whose sum is σ = 34697482560000. Its totient is φ = 4038782611968.

The previous prime is 12303320322277. The next prime is 12303320322341. The reversal of 12303320322312 is 21322302330321.

12303320322312 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 3 + 20 + 322 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5711148 + ... + 7564644.

It is an arithmetic number, because the mean of its divisors is an integer number (271074082500).

Almost surely, 2^{12303320322312} is an apocalyptic number.

12303320322312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303320322312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17348741280000).

12303320322312 is an abundant number, since it is smaller than the sum of its proper divisors (22394162237688).

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

12303320322312 is a wasteful number, since it uses less digits than its factorization.

12303320322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853980 (or 1853970 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 12303320322312 its reverse (21322302330321), we get a palindrome (33625622652633).

The spelling of 12303320322312 in words is "twelve trillion, three hundred three billion, three hundred twenty million, three hundred twenty-two thousand, three hundred twelve".