12216213460000 has 240 divisors, whose sum is σ = 33916438765440. Its totient is φ = 4289075840000.

The previous prime is 12216213459949. The next prime is 12216213460007. The reversal of 12216213460000 is 6431261221.

It is not an unprimeable number, because it can be changed into a prime (12216213460007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5422617 + ... + 7337383.

It is an arithmetic number, because the mean of its divisors is an integer number (141318494856).

Almost surely, 2^{12216213460000} is an apocalyptic number.

12216213460000 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 12216213460000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16958219382720).

12216213460000 is an abundant number, since it is smaller than the sum of its proper divisors (21700225305440).

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

12216213460000 is a wasteful number, since it uses less digits than its factorization.

12216213460000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914837 (or 1914814 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12216213460000 in words is "twelve trillion, two hundred sixteen billion, two hundred thirteen million, four hundred sixty thousand".