222033021421312 has 72 divisors (see below), whose sum is σ = 445405223899440. Its totient is φ = 110464989265920.

The previous prime is 222033021421273. The next prime is 222033021421381. The reversal of 222033021421312 is 213124120330222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45771139 + ... + 50389117.

It is an arithmetic number, because the mean of its divisors is an integer number (6186183665270).

Almost surely, 2^{222033021421312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222033021421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222702611949720).

222033021421312 is an abundant number, since it is smaller than the sum of its proper divisors (223372202478128).

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

222033021421312 is an equidigital number, since it uses as much as digits as its factorization.

222033021421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618929 (or 4618915 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 222033021421312 its reverse (213124120330222), we get a palindrome (435157141751534).

The spelling of 222033021421312 in words is "two hundred twenty-two trillion, thirty-three billion, twenty-one million, four hundred twenty-one thousand, three hundred twelve".