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201201000012 = 2232359138111273
BaseRepresentation
bin1011101101100010000…
…0111001111001001100
3201020100001011210210100
42323120200321321030
511244024424000022
6232232551411100
720351643165525
oct2733040717114
9636301153710
10201201000012
11783687a02a1
1232bb1983a90
1315c860a387c
149a497d184c
155378b0b1ac
hex2ed8839e4c

201201000012 has 72 divisors (see below), whose sum is σ = 510422683680. Its totient is φ = 66825826560.

The previous prime is 201200999957. The next prime is 201201000017. The reversal of 201201000012 is 210000102102.

201201000012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201200999958 and 201201000003.

It is not an unprimeable number, because it can be changed into a prime (201201000017) 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 23 ways as a sum of consecutive naturals, for example, 17842408 + ... + 17853680.

It is an arithmetic number, because the mean of its divisors is an integer number (7089203940).

Almost surely, 2201201000012 is an apocalyptic number.

It is an amenable number.

201201000012 is an abundant number, since it is smaller than the sum of its proper divisors (309221683668).

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

201201000012 is a wasteful number, since it uses less digits than its factorization.

201201000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13023 (or 13018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201201000012 its reverse (210000102102), we get a palindrome (411201102114).

The spelling of 201201000012 in words is "two hundred one billion, two hundred one million, twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 36 359 718 1077 1381 1436 2154 2762 3231 4143 4308 5524 6462 8286 11273 12429 12924 16572 22546 24858 33819 45092 49716 67638 101457 135276 202914 405828 495779 991558 1487337 1983116 2974674 4047007 4462011 5949348 8094014 8924022 12141021 15568013 16188028 17848044 24282042 31136026 36423063 46704039 48564084 62272052 72846126 93408078 140112117 145692252 186816156 280224234 560448468 5588916667 11177833334 16766750001 22355666668 33533500002 50300250003 67067000004 100600500006 201201000012