347221111112 has 12 divisors (see below), whose sum is σ = 651042708345. Its totient is φ = 173609722224.

The previous prime is 347221111109. The next prime is 347221111169. The reversal of 347221111112 is 211111122743.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 310277964676 + 36943146436 = 557026^2 + 192206^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=416666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1562498 + ... + 1770830.

Almost surely, 2^347221111112 is an apocalyptic number.

It is an amenable number.

347221111112 is a deficient number, since it is larger than the sum of its proper divisors (303821597233).

347221111112 is an frugal number, since it uses more digits than its factorization.

347221111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416672 (or 208335 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

Adding to 347221111112 its reverse (211111122743), we get a palindrome (558332233855).

The spelling of 347221111112 in words is "three hundred forty-seven billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twelve".