22022120220012 has 72 divisors (see below), whose sum is σ = 63923857757760. Its totient is φ = 6322139773920.

The previous prime is 22022120219989. The next prime is 22022120220073. The reversal of 22022120220012 is 21002202122022.

22022120220012 is a `hidden beast` number, since 220 + 2 + 212 + 0 + 220 + 0 + 12 = 666.

It is a super-2 number, since 2×22022120220012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1463450758 + ... + 1463465805.

Almost surely, 2^{22022120220012} is an apocalyptic number.

22022120220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22022120220012 is an abundant number, since it is smaller than the sum of its proper divisors (41901737537748).

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

22022120220012 is a wasteful number, since it uses less digits than its factorization.

22022120220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926916603 (or 2926916598 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022120220012 its reverse (21002202122022), we get a palindrome (43024322342034).

The spelling of 22022120220012 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, two hundred twenty thousand, twelve".