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12201022002120 = 23357137616317203
BaseRepresentation
bin1011000110001100010110…
…0101010001001111001000
31121012101222012102212122020
42301203011211101033020
53044400143113031440
641541023325124440
72366331461565360
oct261430545211710
947171865385566
1012201022002120
113984473927356
1214507816b9720
136a6722680733
143027656d79a0
1516259ae703d0
hexb18c59513c8

12201022002120 has 256 divisors, whose sum is σ = 42146706032640. Its totient is φ = 2767838681088.

The previous prime is 12201022002119. The next prime is 12201022002151. The reversal of 12201022002120 is 2120022010221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12201022002120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 709229439 + ... + 709246641.

It is an arithmetic number, because the mean of its divisors is an integer number (164635570440).

Almost surely, 212201022002120 is an apocalyptic number.

12201022002120 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 12201022002120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21073353016320).

12201022002120 is an abundant number, since it is smaller than the sum of its proper divisors (29945684030520).

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

12201022002120 is a wasteful number, since it uses less digits than its factorization.

12201022002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23524 (or 23520 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12201022002120 its reverse (2120022010221), we get a palindrome (14321044012341).

The spelling of 12201022002120 in words is "twelve trillion, two hundred one billion, twenty-two million, two thousand, one hundred twenty".