22020201212 has 6 divisors (see below), whose sum is σ = 38535352128. Its totient is φ = 11010100604.

The previous prime is 22020201179. The next prime is 22020201223. The reversal of 22020201212 is 21210202022.

It is a super-2 number, since 2×22020201212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752525148 + ... + 2752525155.

It is an arithmetic number, because the mean of its divisors is an integer number (6422558688).

Almost surely, 2^22020201212 is an apocalyptic number.

It is an amenable number.

22020201212 is a deficient number, since it is larger than the sum of its proper divisors (16515150916).

22020201212 is a wasteful number, since it uses less digits than its factorization.

22020201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505050307 (or 5505050305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22020201212 its reverse (21210202022), we get a palindrome (43230403234).

The spelling of 22020201212 in words is "twenty-two billion, twenty million, two hundred one thousand, two hundred twelve".