1220313120322 has 16 divisors (see below), whose sum is σ = 1893680793144. Its totient is φ = 589380880000.

The previous prime is 1220313120263. The next prime is 1220313120331. The reversal of 1220313120322 is 2230213130221.

It can be written as a sum of positive squares in 4 ways, for example, as 1007837295921 + 212475824401 = 1003911^2 + 460951^2 .

It is a super-2 number, since 2×1220313120322² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220313120293 and 1220313120302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73664329 + ... + 73680892.

Almost surely, 2^{1220313120322} is an apocalyptic number.

1220313120322 is a deficient number, since it is larger than the sum of its proper divisors (673367672822).

1220313120322 is a wasteful number, since it uses less digits than its factorization.

1220313120322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147345365.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1220313120322 its reverse (2230213130221), we get a palindrome (3450526250543).

The spelling of 1220313120322 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, one hundred twenty thousand, three hundred twenty-two".