2212321320000 has 840 divisors, whose sum is σ = 8671413159552. Its totient is φ = 534643200000.

The previous prime is 2212321319993. The next prime is 2212321320061. The reversal of 2212321320000 is 231232122.

2212321320000 is a `hidden beast` number, since 2 + 21 + 2 + 321 + 320 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1667159337 + ... + 1667160663.

Almost surely, 2^{2212321320000} is an apocalyptic number.

2212321320000 is a gapful number since it is divisible by the number (20) 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 2212321320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4335706579776).

2212321320000 is an abundant number, since it is smaller than the sum of its proper divisors (6459091839552).

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

2212321320000 is a wasteful number, since it uses less digits than its factorization.

2212321320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2212321320000 its reverse (231232122), we get a palindrome (2212552552122).

The spelling of 2212321320000 in words is "two trillion, two hundred twelve billion, three hundred twenty-one million, three hundred twenty thousand".