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12213123320013 = 371152870663723
BaseRepresentation
bin1011000110111001011011…
…1000001000100011001101
31121020120012120012112000020
42301232112320020203031
53100044434032220023
641550344214252353
72400240403233510
oct261562670104315
947216176175006
1012213123320013
11398961379a620
121452b9a3570b9
136a79007ca875
1430319296ad77
15162a58555de3
hexb1b96e088cd

12213123320013 has 16 divisors (see below), whose sum is σ = 20302334870016. Its totient is φ = 6344479646640.

The previous prime is 12213123319981. The next prime is 12213123320077. The reversal of 12213123320013 is 31002332131221.

It is not a de Polignac number, because 12213123320013 - 25 = 12213123319981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213123320813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26435331631 + ... + 26435332092.

It is an arithmetic number, because the mean of its divisors is an integer number (1268895929376).

Almost surely, 212213123320013 is an apocalyptic number.

It is an amenable number.

12213123320013 is a deficient number, since it is larger than the sum of its proper divisors (8089211550003).

12213123320013 is a wasteful number, since it uses less digits than its factorization.

12213123320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52870663744.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12213123320013 its reverse (31002332131221), we get a palindrome (43215455451234).

The spelling of 12213123320013 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred twenty thousand, thirteen".

Divisors: 1 3 7 11 21 33 77 231 52870663723 158611991169 370094646061 581577300953 1110283938183 1744731902859 4071041106671 12213123320013