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12211112110120 = 235711172471511933
BaseRepresentation
bin1011000110110001111011…
…1111111110100000101000
31121020101000101202110200221
42301230132333332200220
53100031324200010440
641545412451135424
72400136512233020
oct261543677764050
947211011673627
1012211112110120
113988781496890
1214527188a4574
136a766cc2a041
143030417d4a80
1516298bbcbd4a
hexb1b1effe828

12211112110120 has 768 divisors, whose sum is σ = 37427723550720. Its totient is φ = 3480938496000.

The previous prime is 12211112110117. The next prime is 12211112110123. The reversal of 12211112110120 is 2101121111221.

It is an interprime number because it is at equal distance from previous prime (12211112110117) and next prime (12211112110123).

It is a super-2 number, since 2×122111121101202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211112110094 and 12211112110103.

It is not an unprimeable number, because it can be changed into a prime (12211112110123) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6317180674 + ... + 6317182606.

It is an arithmetic number, because the mean of its divisors is an integer number (48734015040).

Almost surely, 212211112110120 is an apocalyptic number.

12211112110120 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 12211112110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18713861775360).

12211112110120 is an abundant number, since it is smaller than the sum of its proper divisors (25216611440600).

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

12211112110120 is a wasteful number, since it uses less digits than its factorization.

12211112110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2173 counting only the distinct ones).

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

Adding to 12211112110120 its reverse (2101121111221), we get a palindrome (14312233221341).

The spelling of 12211112110120 in words is "twelve trillion, two hundred eleven billion, one hundred twelve million, one hundred ten thousand, one hundred twenty".