1220322212233 has 16 divisors (see below), whose sum is σ = 1254381714432. Its totient is φ = 1186526250000.

The previous prime is 1220322212159. The next prime is 1220322212251. The reversal of 1220322212233 is 3322122230221.

It is a cyclic number.

It is not a de Polignac number, because 1220322212233 - 2³⁷ = 1082883258761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220322212198 and 1220322212207.

It is not an unprimeable number, because it can be changed into a prime (1220322212273) 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 15 ways as a sum of consecutive naturals, for example, 19731108 + ... + 19792858.

It is an arithmetic number, because the mean of its divisors is an integer number (78398857152).

Almost surely, 2^{1220322212233} is an apocalyptic number.

It is an amenable number.

1220322212233 is a deficient number, since it is larger than the sum of its proper divisors (34059502199).

1220322212233 is a wasteful number, since it uses less digits than its factorization.

1220322212233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63876.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1220322212233 its reverse (3322122230221), we get a palindrome (4542444442454).

The spelling of 1220322212233 in words is "one trillion, two hundred twenty billion, three hundred twenty-two million, two hundred twelve thousand, two hundred thirty-three".