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12700161201 = 371346520737
BaseRepresentation
bin10111101001111110…
…10001010010110001
31012210002121000221210
423310333101102301
5202002220124301
65500120310333
7626502406020
oct136477212261
935702530853
1012700161201
115427a010a2
1225653123a9
13127522c3b0
148869d88b7
154e4e75ad6
hex2f4fd14b1

12700161201 has 16 divisors (see below), whose sum is σ = 20841290624. Its totient is φ = 6698985984.

The previous prime is 12700161179. The next prime is 12700161211. The reversal of 12700161201 is 10216100721.

It is a happy number.

It is not a de Polignac number, because 12700161201 - 222 = 12695966897 is a prime.

It is a super-2 number, since 2×127001612012 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12700161211) 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 15 ways as a sum of consecutive naturals, for example, 23260096 + ... + 23260641.

It is an arithmetic number, because the mean of its divisors is an integer number (1302580664).

Almost surely, 212700161201 is an apocalyptic number.

It is an amenable number.

12700161201 is a deficient number, since it is larger than the sum of its proper divisors (8141129423).

12700161201 is a wasteful number, since it uses less digits than its factorization.

12700161201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46520760.

The product of its (nonzero) digits is 168, while the sum is 21.

Adding to 12700161201 its reverse (10216100721), we get a palindrome (22916261922).

The spelling of 12700161201 in words is "twelve billion, seven hundred million, one hundred sixty-one thousand, two hundred one".

Divisors: 1 3 7 13 21 39 91 273 46520737 139562211 325645159 604769581 976935477 1814308743 4233387067 12700161201