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112212220120 = 235711213254773
BaseRepresentation
bin110100010000001011…
…1101001100011011000
3101201122021002101212121
41220200113221203120
53314302312020440
6123314413151024
711051503063540
oct1504027514330
9351567071777
10112212220120
1143652966900
12198b778b474
13a7739197b0
145606d22320
152dbb42a34a
hex1a205e98d8

112212220120 has 192 divisors, whose sum is σ = 341560215360. Its totient is φ = 32284707840.

The previous prime is 112212220103. The next prime is 112212220121. The reversal of 112212220120 is 21022212211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112212220094 and 112212220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212220121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313054 + ... + 567826.

It is an arithmetic number, because the mean of its divisors is an integer number (1778959455).

Almost surely, 2112212220120 is an apocalyptic number.

112212220120 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 112212220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170780107680).

112212220120 is an abundant number, since it is smaller than the sum of its proper divisors (229347995240).

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

112212220120 is a wasteful number, since it uses less digits than its factorization.

112212220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254826 (or 254811 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112212220120 its reverse (21022212211), we get a palindrome (133234432331).

The spelling of 112212220120 in words is "one hundred twelve billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty".