1220311013222 has 8 divisors (see below), whose sum is σ = 2091961736976. Its totient is φ = 522990434232.

The previous prime is 1220311013221. The next prime is 1220311013281. The reversal of 1220311013222 is 2223101130221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220311013194 and 1220311013203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220311013221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43582536173 + ... + 43582536200.

It is an arithmetic number, because the mean of its divisors is an integer number (261495217122).

Almost surely, 2^{1220311013222} is an apocalyptic number.

1220311013222 is a deficient number, since it is larger than the sum of its proper divisors (871650723754).

1220311013222 is an equidigital number, since it uses as much as digits as its factorization.

1220311013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87165072382.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1220311013222 its reverse (2223101130221), we get a palindrome (3443412143443).

The spelling of 1220311013222 in words is "one trillion, two hundred twenty billion, three hundred eleven million, thirteen thousand, two hundred twenty-two".