1222022202212 has 24 divisors (see below), whose sum is σ = 2528321799360. Its totient is φ = 505664359200.

The previous prime is 1222022202197. The next prime is 1222022202221. The reversal of 1222022202212 is 2122022202221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752475914 + ... + 752477537.

It is an arithmetic number, because the mean of its divisors is an integer number (105346741640).

Almost surely, 2^{1222022202212} is an apocalyptic number.

It is an amenable number.

1222022202212 is an abundant number, since it is smaller than the sum of its proper divisors (1306299597148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222022202212 is a wasteful number, since it uses less digits than its factorization.

1222022202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504953491 (or 1504953489 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1222022202212 its reverse (2122022202221), we get a palindrome (3344044404433).

Subtracting 1222022202212 from its reverse (2122022202221), we obtain a palindrome (900000000009).

The spelling of 1222022202212 in words is "one trillion, two hundred twenty-two billion, twenty-two million, two hundred two thousand, two hundred twelve".