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120212102111112 = 233211151782957211
BaseRepresentation
bin11011010101010100001111…
…101001001101111110001000
3120202122011110002022122220100
4123111110033221031332020
5111224023341120023422
61103400402145125400
734215015645322014
oct3325241751157610
9522564402278810
10120212102111112
113533773679a630
1211595ab1929860
13520cc4cab302b
14219842254d544
15dd6ed52ba7ac
hex6d550fa4df88

120212102111112 has 48 divisors (see below), whose sum is σ = 355172119876080. Its totient is φ = 36427909730400.

The previous prime is 120212102111093. The next prime is 120212102111117. The reversal of 120212102111112 is 211111201212021.

It is a happy number.

120212102111112 is a `hidden beast` number, since 120 + 212 + 10 + 211 + 1 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120212102111117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75891477814 + ... + 75891479397.

It is an arithmetic number, because the mean of its divisors is an integer number (7399419164085).

Almost surely, 2120212102111112 is an apocalyptic number.

120212102111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120212102111112 is an abundant number, since it is smaller than the sum of its proper divisors (234960017764968).

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

120212102111112 is a wasteful number, since it uses less digits than its factorization.

120212102111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151782957234 (or 151782957227 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 120212102111112 its reverse (211111201212021), we get a palindrome (331323303323133).

The spelling of 120212102111112 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred two million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 151782957211 303565914422 455348871633 607131828844 910697743266 1214263657688 1366046614899 1669612529321 1821395486532 2732093229798 3339225058642 3642790973064 5008837587963 5464186459596 6678450117284 10017675175926 10928372919192 13356900234568 15026512763889 20035350351852 30053025527778 40070700703704 60106051055556 120212102111112