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22242201212000 = 2553711174141479
BaseRepresentation
bin1010000111010101010101…
…00000001001010001100000
32220202100000020121201211002
411003222222200021101200
510403404012002241000
6115145532015411132
74453642323612320
oct503525240112140
986670006551732
1022242201212000
1170a5956805230
1225b2830223aa8
13c54579c83a23
1456c757871280
1528888617a8d5
hex143aaa809460

22242201212000 has 384 divisors, whose sum is σ = 68174706862080. Its totient is φ = 6928485120000.

The previous prime is 22242201211963. The next prime is 22242201212017. The reversal of 22242201212000 is 21210224222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 536207261 + ... + 536248739.

It is an arithmetic number, because the mean of its divisors is an integer number (177538299120).

Almost surely, 222242201212000 is an apocalyptic number.

22242201212000 is a gapful number since it is divisible by the number (20) 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 22242201212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34087353431040).

22242201212000 is an abundant number, since it is smaller than the sum of its proper divisors (45932505650080).

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

22242201212000 is a wasteful number, since it uses less digits than its factorization.

22242201212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43263 (or 43245 counting only the distinct ones).

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

Adding to 22242201212000 its reverse (21210224222), we get a palindrome (22263411436222).

The spelling of 22242201212000 in words is "twenty-two trillion, two hundred forty-two billion, two hundred one million, two hundred twelve thousand".