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12301212120 = 2335102510101
BaseRepresentation
bin10110111010011010…
…11001100111011000
31011202021220022200220
423131031121213120
5200143102241440
65352345400040
7613556402121
oct133515314730
934667808626
1012301212120
11524279380a
122473799020
131210698252
14849a29048
154bee1d8d0
hex2dd3599d8

12301212120 has 32 divisors (see below), whose sum is σ = 36903636720. Its totient is φ = 3280323200.

The previous prime is 12301212109. The next prime is 12301212181. The reversal of 12301212120 is 2121210321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12301212120.

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 7 ways as a sum of consecutive naturals, for example, 51254931 + ... + 51255170.

Almost surely, 212301212120 is an apocalyptic number.

12301212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12301212120 is an abundant number, since it is smaller than the sum of its proper divisors (24602424600).

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

12301212120 is a wasteful number, since it uses less digits than its factorization.

12301212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102510115 (or 102510111 counting only the distinct ones).

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

Adding to 12301212120 its reverse (2121210321), we get a palindrome (14422422441).

The spelling of 12301212120 in words is "twelve billion, three hundred one million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 102510101 205020202 307530303 410040404 512550505 615060606 820080808 1025101010 1230121212 1537651515 2050202020 2460242424 3075303030 4100404040 6150606060 12301212120