1222013044321 has 16 divisors (see below), whose sum is σ = 1277673598080. Its totient is φ = 1166564171520.

The previous prime is 1222013044319. The next prime is 1222013044339. The reversal of 1222013044321 is 1234403102221.

It is a cyclic number.

It is not a de Polignac number, because 1222013044321 - 2¹ = 1222013044319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222013044391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112508431 + ... + 112519291.

It is an arithmetic number, because the mean of its divisors is an integer number (79854599880).

Almost surely, 2^{1222013044321} is an apocalyptic number.

It is an amenable number.

1222013044321 is a deficient number, since it is larger than the sum of its proper divisors (55660553759).

1222013044321 is a wasteful number, since it uses less digits than its factorization.

1222013044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20136.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1222013044321 its reverse (1234403102221), we get a palindrome (2456416146542).

The spelling of 1222013044321 in words is "one trillion, two hundred twenty-two billion, thirteen million, forty-four thousand, three hundred twenty-one".