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12221103312002 = 213716620315987
BaseRepresentation
bin1011000111010111001010…
…0001011000110010000010
31121021022210200222010002002
42301311302201120302002
53100212304421441002
641554144121224002
72400642222112334
oct261656241306202
947238720863062
1012221103312002
113991a39241722
121454646932002
136a85a2b56a10
1430370c707454
15162d73ded002
hexb1d72858c82

12221103312002 has 16 divisors (see below), whose sum is σ = 20019835547712. Its totient is φ = 5561065428240.

The previous prime is 12221103311983. The next prime is 12221103312037. The reversal of 12221103312002 is 20021330112221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310156148 + ... + 3310159839.

It is an arithmetic number, because the mean of its divisors is an integer number (1251239721732).

Almost surely, 212221103312002 is an apocalyptic number.

12221103312002 is a deficient number, since it is larger than the sum of its proper divisors (7798732235710).

12221103312002 is a wasteful number, since it uses less digits than its factorization.

12221103312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620316073.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12221103312002 its reverse (20021330112221), we get a palindrome (32242433424223).

The spelling of 12221103312002 in words is "twelve trillion, two hundred twenty-one billion, one hundred three million, three hundred twelve thousand, two".

Divisors: 1 2 13 26 71 142 923 1846 6620315987 13240631974 86064107831 172128215662 470042435077 940084870154 6110551656001 12221103312002