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12101112212200 = 235211471016611753
BaseRepresentation
bin1011000000011000001001…
…1111101010101011101000
31120211212002022112200100121
42300012002133222223220
53041231034211242300
641423101343413024
72356163561436124
oct260060237525350
946755068480317
1012101112212200
113946064406440
121435339bb4174
1369a18c76774b
142db9a863a584
1515eb9eb0481a
hexb01827eaae8

12101112212200 has 384 divisors, whose sum is σ = 31722191792640. Its totient is φ = 4255257600000.

The previous prime is 12101112212183. The next prime is 12101112212213. The reversal of 12101112212200 is 221221110121.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6903086524 + ... + 6903088276.

It is an arithmetic number, because the mean of its divisors is an integer number (82609874460).

Almost surely, 212101112212200 is an apocalyptic number.

12101112212200 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 12101112212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15861095896320).

12101112212200 is an abundant number, since it is smaller than the sum of its proper divisors (19621079580440).

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

12101112212200 is a wasteful number, since it uses less digits than its factorization.

12101112212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12101112212200 its reverse (221221110121), we get a palindrome (12322333322321).

The spelling of 12101112212200 in words is "twelve trillion, one hundred one billion, one hundred twelve million, two hundred twelve thousand, two hundred".