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12100010112120 = 23357219293369647
BaseRepresentation
bin1011000000010100000011…
…0011011111010001111000
31120211202020111202012021010
42300011000303133101320
53041221310042041440
641422400133513520
72356124346645300
oct260050063372170
946752214665233
1012100010112120
113945649297327
121435090aa28a0
1369a04532cc18
142db902112600
1515eb37ea6580
hexb0140cdf478

12100010112120 has 384 divisors, whose sum is σ = 44600840524800. Its totient is φ = 2611203001344.

The previous prime is 12100010112089. The next prime is 12100010112131. The reversal of 12100010112120 is 2121101000121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12100010112096 and 12100010112105.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 32549137 + ... + 32918783.

It is an arithmetic number, because the mean of its divisors is an integer number (116148022200).

Almost surely, 212100010112120 is an apocalyptic number.

12100010112120 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 12100010112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22300420262400).

12100010112120 is an abundant number, since it is smaller than the sum of its proper divisors (32500830412680).

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

12100010112120 is a wasteful number, since it uses less digits than its factorization.

12100010112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369987 (or 369976 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12100010112120 its reverse (2121101000121), we get a palindrome (14221111112241).

The spelling of 12100010112120 in words is "twelve trillion, one hundred billion, ten million, one hundred twelve thousand, one hundred twenty".