20222211011212 has 24 divisors (see below), whose sum is σ = 40715861104800. Its totient is φ = 8608496344320.

The previous prime is 20222211011173. The next prime is 20222211011269. The reversal of 20222211011212 is 21211011222202.

It is a self number, because there is not a number n which added to its sum of digits gives 20222211011212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423558989 + ... + 2423567332.

It is an arithmetic number, because the mean of its divisors is an integer number (1696494212700).

Almost surely, 2^{20222211011212} is an apocalyptic number.

It is an amenable number.

20222211011212 is an abundant number, since it is smaller than the sum of its proper divisors (20493650093588).

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

20222211011212 is a wasteful number, since it uses less digits than its factorization.

20222211011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847126481 (or 4847126479 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20222211011212 its reverse (21211011222202), we get a palindrome (41433222233414).

The spelling of 20222211011212 in words is "twenty trillion, two hundred twenty-two billion, two hundred eleven million, eleven thousand, two hundred twelve".