12220222001304 has 256 divisors, whose sum is σ = 34794489600000. Its totient is φ = 3552709165056.

The previous prime is 12220222001279. The next prime is 12220222001329. The reversal of 12220222001304 is 40310022202221.

It is an interprime number because it is at equal distance from previous prime (12220222001279) and next prime (12220222001329).

It is a super-2 number, since 2×12220222001304² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 710097852 + ... + 710115060.

It is an arithmetic number, because the mean of its divisors is an integer number (135915975000).

Almost surely, 2^{12220222001304} 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 12220222001304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17397244800000).

12220222001304 is an abundant number, since it is smaller than the sum of its proper divisors (22574267598696).

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

12220222001304 is a wasteful number, since it uses less digits than its factorization.

12220222001304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19250 (or 19246 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12220222001304 its reverse (40310022202221), we get a palindrome (52530244203525).

The spelling of 12220222001304 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, one thousand, three hundred four".