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12100222120200 = 23352197319375337
BaseRepresentation
bin1011000000010100110101…
…1100001111000100001000
31120211202210021200022200020
42300011031130033010020
53041222223330321300
641422433145540440
72356132532664534
oct260051534170410
946752707608606
1012100222120200
113945747a31115
12143512baa4720
1369a07a22caa6
142db92233cbc4
1515eb4b8d38a0
hexb014d70f108

12100222120200 has 384 divisors, whose sum is σ = 40233746601600. Its totient is φ = 2999361208320.

The previous prime is 12100222120193. The next prime is 12100222120201. The reversal of 12100222120200 is 202122200121.

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 12100222120200.

It is not an unprimeable number, because it can be changed into a prime (12100222120201) 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 95 ways as a sum of consecutive naturals, for example, 160576932 + ... + 160652268.

It is an arithmetic number, because the mean of its divisors is an integer number (104775381775).

Almost surely, 212100222120200 is an apocalyptic number.

12100222120200 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 12100222120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20116873300800).

12100222120200 is an abundant number, since it is smaller than the sum of its proper divisors (28133524481400).

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

12100222120200 is a wasteful number, since it uses less digits than its factorization.

12100222120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75641 (or 75632 counting only the distinct ones).

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

Adding to 12100222120200 its reverse (202122200121), we get a palindrome (12302344320321).

The spelling of 12100222120200 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, one hundred twenty thousand, two hundred".