12316421532000 has 192 divisors, whose sum is σ = 40391512394688. Its totient is φ = 3280885760000.

The previous prime is 12316421531993. The next prime is 12316421532001. The reversal of 12316421532000 is 23512461321.

12316421532000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12316421532000³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12316421532001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10746640 + ... + 11837360.

It is an arithmetic number, because the mean of its divisors is an integer number (210372460389).

Almost surely, 2^{12316421532000} is an apocalyptic number.

12316421532000 is a gapful number since it is divisible by the number (10) 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 12316421532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20195756197344).

12316421532000 is an abundant number, since it is smaller than the sum of its proper divisors (28075090862688).

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

12316421532000 is a wasteful number, since it uses less digits than its factorization.

12316421532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091690 (or 1091672 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12316421532000 its reverse (23512461321), we get a palindrome (12339933993321).

The spelling of 12316421532000 in words is "twelve trillion, three hundred sixteen billion, four hundred twenty-one million, five hundred thirty-two thousand".