22020012212212 has 12 divisors (see below), whose sum is σ = 44040024424480. Its totient is φ = 9437148090936.

The previous prime is 22020012212131. The next prime is 22020012212213. The reversal of 22020012212212 is 21221221002022.

22020012212212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020012212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020012212213) 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, 393214503762 + ... + 393214503817.

Almost surely, 2^{22020012212212} is an apocalyptic number.

It is an amenable number.

22020012212212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22020012212212 is a wasteful number, since it uses less digits than its factorization.

22020012212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786429007590 (or 786429007588 counting only the distinct ones).

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

Adding to 22020012212212 its reverse (21221221002022), we get a palindrome (43241233214234).

The spelling of 22020012212212 in words is "twenty-two trillion, twenty billion, twelve million, two hundred twelve thousand, two hundred twelve".