1220222334213 has 24 divisors (see below), whose sum is σ = 1769735822400. Its totient is φ = 810166479360.

The previous prime is 1220222334173. The next prime is 1220222334263. The reversal of 1220222334213 is 3124332220221.

1220222334213 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 2 + 2 + 233 + 421 + 3 = 666.

It is not a de Polignac number, because 1220222334213 - 2¹⁰ = 1220222333189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220222334263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3067813 + ... + 3442661.

It is an arithmetic number, because the mean of its divisors is an integer number (73738992600).

Almost surely, 2^{1220222334213} is an apocalyptic number.

It is an amenable number.

1220222334213 is a deficient number, since it is larger than the sum of its proper divisors (549513488187).

1220222334213 is a wasteful number, since it uses less digits than its factorization.

1220222334213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376329 (or 376326 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1220222334213 its reverse (3124332220221), we get a palindrome (4344554554434).

The spelling of 1220222334213 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, three hundred thirty-four thousand, two hundred thirteen".