22020101212 has 24 divisors (see below), whose sum is σ = 38671445232. Its totient is φ = 10971187200.

The previous prime is 22020101183. The next prime is 22020101221. The reversal of 22020101212 is 21210102022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22020101192 and 22020101201.

It is a congruent number.

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, 1332762 + ... + 1349182.

It is an arithmetic number, because the mean of its divisors is an integer number (1611310218).

Almost surely, 2^22020101212 is an apocalyptic number.

It is an amenable number.

22020101212 is a deficient number, since it is larger than the sum of its proper divisors (16651344020).

22020101212 is a wasteful number, since it uses less digits than its factorization.

22020101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17589 (or 17587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22020101212 its reverse (21210102022), we get a palindrome (43230203234).

The spelling of 22020101212 in words is "twenty-two billion, twenty million, one hundred one thousand, two hundred twelve".