22022120101212 has 216 divisors, whose sum is σ = 69985476663648. Its totient is φ = 5715397290240.

The previous prime is 22022120101187. The next prime is 22022120101231. The reversal of 22022120101212 is 21210102122022.

It is a happy number.

22022120101212 is a `hidden beast` number, since 220 + 221 + 2 + 0 + 10 + 1 + 212 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 37426678 + ... + 38010530.

Almost surely, 2^{22022120101212} is an apocalyptic number.

22022120101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022120101212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34992738331824).

22022120101212 is an abundant number, since it is smaller than the sum of its proper divisors (47963356562436).

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

22022120101212 is a wasteful number, since it uses less digits than its factorization.

22022120101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585129 (or 585113 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22022120101212 its reverse (21210102122022), we get a palindrome (43232222223234).

The spelling of 22022120101212 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, one hundred one thousand, two hundred twelve".