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12102010201 = 17711882953
BaseRepresentation
bin10110100010101011…
…00000010101011001
31011020102001211001001
423101111200111121
5144241103311301
65320512025001
7605620250401
oct132125402531
934212054031
1012102010201
1151502a6426
122418b32161
1311ab3302a8
1482b3b3801
154ac6c0c01
hex2d1560559

12102010201 has 4 divisors (see below), whose sum is σ = 12813893172. Its totient is φ = 11390127232.

The previous prime is 12102010163. The next prime is 12102010223. The reversal of 12102010201 is 10201020121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9855724176 + 2246286025 = 99276^2 + 47395^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102010201 - 213 = 12102002009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102010231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355941460 + ... + 355941493.

It is an arithmetic number, because the mean of its divisors is an integer number (3203473293).

Almost surely, 212102010201 is an apocalyptic number.

It is an amenable number.

12102010201 is a deficient number, since it is larger than the sum of its proper divisors (711882971).

12102010201 is an equidigital number, since it uses as much as digits as its factorization.

12102010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711882970.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12102010201 its reverse (10201020121), we get a palindrome (22303030322).

The spelling of 12102010201 in words is "twelve billion, one hundred two million, ten thousand, two hundred one".

Divisors: 1 17 711882953 12102010201