1213310313222 has 256 divisors, whose sum is σ = 3151234990080. Its totient is φ = 303344870400.

The previous prime is 1213310313167. The next prime is 1213310313233. The reversal of 1213310313222 is 2223130133121.

It is a junction number, because it is equal to n+sod(n) for n = 1213310313192 and 1213310313201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 296433408 + ... + 296437500.

It is an arithmetic number, because the mean of its divisors is an integer number (12309511680).

Almost surely, 2^{1213310313222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213310313222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575617495040).

1213310313222 is an abundant number, since it is smaller than the sum of its proper divisors (1937924676858).

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

1213310313222 is a wasteful number, since it uses less digits than its factorization.

1213310313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1213310313222 its reverse (2223130133121), we get a palindrome (3436440446343).

The spelling of 1213310313222 in words is "one trillion, two hundred thirteen billion, three hundred ten million, three hundred thirteen thousand, two hundred twenty-two".