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12122200011200 = 2652237310614253
BaseRepresentation
bin1011000001100110101101…
…1011001111000111000000
31120220212111221221212022012
42300121223123033013000
53042102231200324300
641440510052232052
72360541262661516
oct260315333170700
946825457855265
1012122200011200
113953aa59769a4
12143944430b628
1369c170610716
142dca091a64b6
151604d60e6435
hexb066b6cf1c0

12122200011200 has 336 divisors, whose sum is σ = 31588600003776. Its totient is φ = 4569137971200.

The previous prime is 12122200011199. The next prime is 12122200011217. The reversal of 12122200011200 is 211000222121.

It is a super-2 number, since 2×121222000112002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2850268274 + ... + 2850272526.

Almost surely, 212122200011200 is an apocalyptic number.

12122200011200 is a gapful number since it is divisible by the number (10) 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 12122200011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15794300001888).

12122200011200 is an abundant number, since it is smaller than the sum of its proper divisors (19466399992576).

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

12122200011200 is a wasteful number, since it uses less digits than its factorization.

12122200011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122200011200 its reverse (211000222121), we get a palindrome (12333200233321).

The spelling of 12122200011200 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, eleven thousand, two hundred".