2220321030212 has 6 divisors (see below), whose sum is σ = 3885561802878. Its totient is φ = 1110160515104.

The previous prime is 2220321030211. The next prime is 2220321030247. The reversal of 2220321030212 is 2120301230222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2023836283456 + 196484746756 = 1422616^2 + 443266^2 .

It is not an unprimeable number, because it can be changed into a prime (2220321030211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277540128773 + ... + 277540128780.

It is an arithmetic number, because the mean of its divisors is an integer number (647593633813).

Almost surely, 2^{2220321030212} is an apocalyptic number.

It is an amenable number.

2220321030212 is a deficient number, since it is larger than the sum of its proper divisors (1665240772666).

2220321030212 is a wasteful number, since it uses less digits than its factorization.

2220321030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555080257557 (or 555080257555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2220321030212 its reverse (2120301230222), we get a palindrome (4340622260434).

The spelling of 2220321030212 in words is "two trillion, two hundred twenty billion, three hundred twenty-one million, thirty thousand, two hundred twelve".