220012221220000 has 360 divisors, whose sum is σ = 596514302445600. Its totient is φ = 79793017920000.

The previous prime is 220012221219983. The next prime is 220012221220003. The reversal of 220012221220000 is 22122210022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (220012221220003) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 917060061 + ... + 917299939.

It is an arithmetic number, because the mean of its divisors is an integer number (1656984173460).

Almost surely, 2^{220012221220000} is an apocalyptic number.

220012221220000 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 220012221220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298257151222800).

220012221220000 is an abundant number, since it is smaller than the sum of its proper divisors (376502081225600).

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

220012221220000 is a wasteful number, since it uses less digits than its factorization.

220012221220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240310 (or 240276 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220012221220000 its reverse (22122210022), we get a palindrome (220034343430022).

The spelling of 220012221220000 in words is "two hundred twenty trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand".