1213343216222 has 32 divisors (see below), whose sum is σ = 1960845395040. Its totient is φ = 560989808640.

The previous prime is 1213343216201. The next prime is 1213343216237. The reversal of 1213343216222 is 2226123433121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394472 + ... + 3734852.

It is an arithmetic number, because the mean of its divisors is an integer number (61276418595).

Almost surely, 2^{1213343216222} is an apocalyptic number.

1213343216222 is a deficient number, since it is larger than the sum of its proper divisors (747502178818).

1213343216222 is a wasteful number, since it uses less digits than its factorization.

1213343216222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342236.

The product of its digits is 20736, while the sum is 32.

Adding to 1213343216222 its reverse (2226123433121), we get a palindrome (3439466649343).

The spelling of 1213343216222 in words is "one trillion, two hundred thirteen billion, three hundred forty-three million, two hundred sixteen thousand, two hundred twenty-two".