12223212264638 has 8 divisors (see below), whose sum is σ = 19131984414288. Its totient is φ = 5845884126544.

The previous prime is 12223212264617. The next prime is 12223212264667. The reversal of 12223212264638 is 83646221232221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132861002831 + ... + 132861002922.

It is an arithmetic number, because the mean of its divisors is an integer number (2391498051786).

Almost surely, 2^{12223212264638} is an apocalyptic number.

12223212264638 is a deficient number, since it is larger than the sum of its proper divisors (6908772149650).

12223212264638 is a wasteful number, since it uses less digits than its factorization.

12223212264638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265722005778.

The product of its digits is 663552, while the sum is 44.

Adding to 12223212264638 its reverse (83646221232221), we get a palindrome (95869433496859).

The spelling of 12223212264638 in words is "twelve trillion, two hundred twenty-three billion, two hundred twelve million, two hundred sixty-four thousand, six hundred thirty-eight".