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12213120333211 = 727121773161233
BaseRepresentation
bin1011000110111001011010…
…1100101111010110011011
31121020120012100120202212221
42301232112230233112123
53100044432301130321
641550344030244511
72400240335653600
oct261562654572633
947216170522787
1012213120333211
11398961203a596
121452b99356737
136a78cccc3225
143031923d06a7
15162a58165e41
hexb1b96b2f59b

12213120333211 has 24 divisors (see below), whose sum is σ = 14407950212064. Its totient is φ = 10320408725760.

The previous prime is 12213120333203. The next prime is 12213120333233. The reversal of 12213120333211 is 11233302131221.

It is not a de Polignac number, because 12213120333211 - 23 = 12213120333203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213120333241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75667651 + ... + 75828883.

It is an arithmetic number, because the mean of its divisors is an integer number (600331258836).

Almost surely, 212213120333211 is an apocalyptic number.

12213120333211 is a deficient number, since it is larger than the sum of its proper divisors (2194829878853).

12213120333211 is a wasteful number, since it uses less digits than its factorization.

12213120333211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183091 (or 183084 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12213120333211 its reverse (11233302131221), we get a palindrome (23446422464432).

The spelling of 12213120333211 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty million, three hundred thirty-three thousand, two hundred eleven".

Divisors: 1 7 49 71 497 3479 21773 152411 161233 1066877 1128631 1545883 7900417 10821181 11447543 75748267 80132801 560929607 3510526109 24573682763 172015779341 249247353739 1744731476173 12213120333211