1222020212212 has 12 divisors (see below), whose sum is σ = 2141840685600. Its totient is φ = 610065730616.

The previous prime is 1222020212207. The next prime is 1222020212239. The reversal of 1222020212212 is 2122120202221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222020212212.

It is a congruent number.

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, 236090962 + ... + 236096137.

It is an arithmetic number, because the mean of its divisors is an integer number (178486723800).

Almost surely, 2^{1222020212212} is an apocalyptic number.

It is an amenable number.

1222020212212 is a deficient number, since it is larger than the sum of its proper divisors (919820473388).

1222020212212 is a wasteful number, since it uses less digits than its factorization.

1222020212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472187750 (or 472187748 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1222020212212 its reverse (2122120202221), we get a palindrome (3344140414433).

Subtracting 1222020212212 from its reverse (2122120202221), we obtain a palindrome (900099990009).

The spelling of 1222020212212 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred twelve thousand, two hundred twelve".