7211020022212 has 12 divisors (see below), whose sum is σ = 12621579075756. Its totient is φ = 3604854572000.

The previous prime is 7211020022209. The next prime is 7211020022263. The reversal of 7211020022212 is 2122200201127.

It can be written as a sum of positive squares in 2 ways, for example, as 5958559112256 + 1252460909956 = 2441016^2 + 1119134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163835023 + ... + 163879030.

It is an arithmetic number, because the mean of its divisors is an integer number (1051798256313).

Almost surely, 2^{7211020022212} is an apocalyptic number.

It is an amenable number.

7211020022212 is a deficient number, since it is larger than the sum of its proper divisors (5410559053544).

7211020022212 is a wasteful number, since it uses less digits than its factorization.

7211020022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327719558 (or 327719556 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 7211020022212 its reverse (2122200201127), we get a palindrome (9333220223339).

The spelling of 7211020022212 in words is "seven trillion, two hundred eleven billion, twenty million, twenty-two thousand, two hundred twelve".