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120020112112 = 2423326141609
BaseRepresentation
bin110111111000111000…
…0011001001011110000
3102110210102000102010111
41233301300121023300
53431300122041422
6131045251311104
711446132056205
oct1576160311360
9373712012114
10120020112112
114699a2516aa
121b3165ab494
13b419409824
145b47c9dcac
1531c6b29a77
hex1bf1c192f0

120020112112 has 20 divisors (see below), whose sum is σ = 242649357840. Its totient is φ = 57400923008.

The previous prime is 120020112083. The next prime is 120020112127. The reversal of 120020112112 is 211211020021.

It is a super-2 number, since 2×1200201121122 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120020112092 and 120020112101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163070437 + ... + 163071172.

It is an arithmetic number, because the mean of its divisors is an integer number (12132467892).

Almost surely, 2120020112112 is an apocalyptic number.

It is an amenable number.

120020112112 is an abundant number, since it is smaller than the sum of its proper divisors (122629245728).

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

120020112112 is a wasteful number, since it uses less digits than its factorization.

120020112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326141640 (or 326141634 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120020112112 its reverse (211211020021), we get a palindrome (331231132133).

The spelling of 120020112112 in words is "one hundred twenty billion, twenty million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 23 46 92 184 368 326141609 652283218 1304566436 2609132872 5218265744 7501257007 15002514014 30005028028 60010056056 120020112112