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12020301100 = 2252120203011
BaseRepresentation
bin10110011000111011…
…10011110100101100
31011000201022120020001
423030131303310230
5144104144113400
65304432434044
7603605605423
oct131435636454
934021276201
1012020301100
115109168145
1223b56a8924
131197422002
148205c42ba
154a5430a6a
hex2cc773d2c

12020301100 has 18 divisors (see below), whose sum is σ = 26084053604. Its totient is φ = 4808120400.

The previous prime is 12020301091. The next prime is 12020301109. The reversal of 12020301100 is 110302021.

It is an interprime number because it is at equal distance from previous prime (12020301091) and next prime (12020301109).

It is a super-2 number, since 2×120203011002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12020301109) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 60101406 + ... + 60101605.

Almost surely, 212020301100 is an apocalyptic number.

12020301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020301100 is an abundant number, since it is smaller than the sum of its proper divisors (14063752504).

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

12020301100 is a wasteful number, since it uses less digits than its factorization.

12020301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120203025 (or 120203018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12020301100 its reverse (110302021), we get a palindrome (12130603121).

The spelling of 12020301100 in words is "twelve billion, twenty million, three hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 120203011 240406022 480812044 601015055 1202030110 2404060220 3005075275 6010150550 12020301100