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12002010201 = 321927369193
BaseRepresentation
bin10110010110110000…
…00010010001011001
31010222102220021211100
423023120002101121
5144040003311301
65302540422013
7603264255246
oct131330022131
933872807740
1012002010201
1150a99049a5
1223ab547909
1311936b97ac
1481bdc25cd
154a3a1b286
hex2cb602459

12002010201 has 12 divisors (see below), whose sum is σ = 17337387028. Its totient is φ = 8000809344.

The previous prime is 12002010199. The next prime is 12002010203. The reversal of 12002010201 is 10201020021.

It is an interprime number because it is at equal distance from previous prime (12002010199) and next prime (12002010203).

It can be written as a sum of positive squares in 2 ways, for example, as 8262810000 + 3739200201 = 90900^2 + 61149^2 .

It is not a de Polignac number, because 12002010201 - 21 = 12002010199 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002010203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138861 + ... + 208053.

Almost surely, 212002010201 is an apocalyptic number.

It is an amenable number.

12002010201 is a deficient number, since it is larger than the sum of its proper divisors (5335376827).

12002010201 is a wasteful number, since it uses less digits than its factorization.

12002010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88472 (or 88469 counting only the distinct ones).

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

Adding to 12002010201 its reverse (10201020021), we get a palindrome (22203030222).

The spelling of 12002010201 in words is "twelve billion, two million, ten thousand, two hundred one".

Divisors: 1 3 9 19273 57819 69193 173457 207579 622737 1333556689 4000670067 12002010201