22043021134212 has 192 divisors, whose sum is σ = 62876897843200. Its totient is φ = 6636986294400.

The previous prime is 22043021134201. The next prime is 22043021134217. The reversal of 22043021134212 is 21243112034022.

22043021134212 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 302 + 1 + 1 + 342 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22043021134217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13428339 + ... + 14980197.

Almost surely, 2^{22043021134212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22043021134212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31438448921600).

22043021134212 is an abundant number, since it is smaller than the sum of its proper divisors (40833876708988).

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

22043021134212 is a wasteful number, since it uses less digits than its factorization.

22043021134212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552103 (or 1552095 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22043021134212 its reverse (21243112034022), we get a palindrome (43286133168234).

The spelling of 22043021134212 in words is "twenty-two trillion, forty-three billion, twenty-one million, one hundred thirty-four thousand, two hundred twelve".