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12200222112120 = 23325737532468821
BaseRepresentation
bin1011000110001001010111…
…1001111011100101111000
31121012022220110022020211200
42301202111321323211320
53044342023330041440
641540412112454200
72366302606620510
oct261422571734570
947168813266750
1012200222112120
1139840a3361139
12145059984a360
136a6625a38943
143026cb39a840
15162550b1ac30
hexb1895e7b978

12200222112120 has 384 divisors, whose sum is σ = 47417972883840. Its totient is φ = 2662059479040.

The previous prime is 12200222112107. The next prime is 12200222112167. The reversal of 12200222112120 is 2121122200221.

It is a happy number.

12200222112120 is a `hidden beast` number, since 1 + 220 + 0 + 22 + 211 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12200222112093 and 12200222112102.

It is a congruent number.

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, 3707310 + ... + 6176130.

It is an arithmetic number, because the mean of its divisors is an integer number (123484304385).

Almost surely, 212200222112120 is an apocalyptic number.

12200222112120 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 12200222112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23708986441920).

12200222112120 is an abundant number, since it is smaller than the sum of its proper divisors (35217750771720).

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

12200222112120 is a wasteful number, since it uses less digits than its factorization.

12200222112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468935 (or 2468928 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12200222112120 its reverse (2121122200221), we get a palindrome (14321344312341).

The spelling of 12200222112120 in words is "twelve trillion, two hundred billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty".