20222210201212 has 12 divisors (see below), whose sum is σ = 35417946634560. Its totient is φ = 10102796877056.

The previous prime is 20222210201189. The next prime is 20222210201213. The reversal of 20222210201212 is 21210201222202.

It is a self number, because there is not a number n which added to its sum of digits gives 20222210201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222210201213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077050412 + ... + 2077060147.

It is an arithmetic number, because the mean of its divisors is an integer number (2951495552880).

Almost surely, 2^{20222210201212} is an apocalyptic number.

It is an amenable number.

20222210201212 is a deficient number, since it is larger than the sum of its proper divisors (15195736433348).

20222210201212 is a wasteful number, since it uses less digits than its factorization.

20222210201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154111780 (or 4154111778 counting only the distinct ones).

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

Adding to 20222210201212 its reverse (21210201222202), we get a palindrome (41432411423414).

The spelling of 20222210201212 in words is "twenty trillion, two hundred twenty-two billion, two hundred ten million, two hundred one thousand, two hundred twelve".