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12110120011220 = 225711173159325163
BaseRepresentation
bin1011000000111001101101…
…1001101100010111010100
31120212201100002022021121112
42300032123121230113110
53041403011210324340
641431151244034152
72356633030451630
oct260163331542724
946781302267545
1012110120011220
113949967044140
121437032832958
1369ac96a1883a
142dc1c0ac1dc0
1516002a822065
hexb039b66c5d4

12110120011220 has 384 divisors, whose sum is σ = 34714357235712. Its totient is φ = 3432016281600.

The previous prime is 12110120011123. The next prime is 12110120011261. The reversal of 12110120011220 is 2211002101121.

12110120011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12110120011195 and 12110120011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 481254359 + ... + 481279521.

It is an arithmetic number, because the mean of its divisors is an integer number (90401971968).

Almost surely, 212110120011220 is an apocalyptic number.

12110120011220 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 12110120011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17357178617856).

12110120011220 is an abundant number, since it is smaller than the sum of its proper divisors (22604237224492).

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

12110120011220 is a wasteful number, since it uses less digits than its factorization.

12110120011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831 (or 25829 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12110120011220 its reverse (2211002101121), we get a palindrome (14321122112341).

The spelling of 12110120011220 in words is "twelve trillion, one hundred ten billion, one hundred twenty million, eleven thousand, two hundred twenty".