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12020203223 = 713071313827
BaseRepresentation
bin10110011000111010…
…11011111011010111
31011000201010120221222
423030131123323113
5144104133000343
65304430400555
7603605020160
oct131435337327
934021116858
1012020203223
115109100656
1223b566015b
1311973b95b2
1482059a767
154a5411a68
hex2cc75bed7

12020203223 has 8 divisors (see below), whose sum is σ = 13747896192. Its totient is φ = 10295140536.

The previous prime is 12020203193. The next prime is 12020203231. The reversal of 12020203223 is 32230202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020203223 - 28 = 12020202967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020203253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647765 + ... + 666062.

It is an arithmetic number, because the mean of its divisors is an integer number (1718487024).

Almost surely, 212020203223 is an apocalyptic number.

12020203223 is a deficient number, since it is larger than the sum of its proper divisors (1727692969).

12020203223 is a wasteful number, since it uses less digits than its factorization.

12020203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315141.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12020203223 its reverse (32230202021), we get a palindrome (44250405244).

The spelling of 12020203223 in words is "twelve billion, twenty million, two hundred three thousand, two hundred twenty-three".

Divisors: 1 7 1307 9149 1313827 9196789 1717171889 12020203223