22022212022012 has 48 divisors (see below), whose sum is σ = 39446759987712. Its totient is φ = 10752773335680.

The previous prime is 22022212021949. The next prime is 22022212022017. The reversal of 22022212022012 is 21022021222022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022212022017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237361712 + ... + 237454472.

It is an arithmetic number, because the mean of its divisors is an integer number (821807499744).

Almost surely, 2^{22022212022012} is an apocalyptic number.

It is an amenable number.

22022212022012 is a deficient number, since it is larger than the sum of its proper divisors (17424547965700).

22022212022012 is a wasteful number, since it uses less digits than its factorization.

22022212022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95618 (or 95616 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22022212022012 its reverse (21022021222022), we get a palindrome (43044233244034).

The spelling of 22022212022012 in words is "twenty-two trillion, twenty-two billion, two hundred twelve million, twenty-two thousand, twelve".