1220212333322 has 4 divisors (see below), whose sum is σ = 1830318499986. Its totient is φ = 610106166660.

The previous prime is 1220212333303. The next prime is 1220212333337. The reversal of 1220212333322 is 2233332120221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1202946110521 + 17266222801 = 1096789^2 + 131401^2 .

It is a super-2 number, since 2×1220212333322² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220212333291 and 1220212333300.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 305053083329 + ... + 305053083332.

Almost surely, 2^{1220212333322} is an apocalyptic number.

1220212333322 is a deficient number, since it is larger than the sum of its proper divisors (610106166664).

1220212333322 is an equidigital number, since it uses as much as digits as its factorization.

1220212333322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610106166663.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1220212333322 its reverse (2233332120221), we get a palindrome (3453544453543).

The spelling of 1220212333322 in words is "one trillion, two hundred twenty billion, two hundred twelve million, three hundred thirty-three thousand, three hundred twenty-two".