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112020103212 = 22317549118153
BaseRepresentation
bin110100001010011101…
…0110010000000101100
3101201010212120212000120
41220110322302000230
53313404121300322
6123243351324540
711043651111123
oct1502472620054
9351125525016
10112020103212
11435644785a6
1219863380750
13a742b92654
1455c95d2aba
152da962ba5c
hex1a14eb202c

112020103212 has 24 divisors (see below), whose sum is σ = 276755549616. Its totient is φ = 35143561728.

The previous prime is 112020103207. The next prime is 112020103231. The reversal of 112020103212 is 212301020211.

It is a junction number, because it is equal to n+sod(n) for n = 112020103191 and 112020103200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274558873 + ... + 274559280.

It is an arithmetic number, because the mean of its divisors is an integer number (11531481234).

Almost surely, 2112020103212 is an apocalyptic number.

112020103212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112020103212 is an abundant number, since it is smaller than the sum of its proper divisors (164735446404).

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

112020103212 is a wasteful number, since it uses less digits than its factorization.

112020103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549118177 (or 549118175 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112020103212 its reverse (212301020211), we get a palindrome (324321123423).

The spelling of 112020103212 in words is "one hundred twelve billion, twenty million, one hundred three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 549118153 1098236306 1647354459 2196472612 3294708918 6589417836 9335008601 18670017202 28005025803 37340034404 56010051606 112020103212