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12221020013113 = 65539918646687
BaseRepresentation
bin1011000111010110110110…
…0011101000001000111001
31121021022120220020002111001
42301311231203220020321
53100212122110404423
641554131544005001
72400640161066412
oct261655543501071
947238526202431
1012221020013113
1139919a6217a6a
121454622a60761
136a858b80cc32
14303701622809
15162d6b946cad
hexb1d6d8e8239

12221020013113 has 4 divisors (see below), whose sum is σ = 12221039315200. Its totient is φ = 12221000711028.

The previous prime is 12221020013053. The next prime is 12221020013197. The reversal of 12221020013113 is 31131002012221.

12221020013113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12221020013113 - 221 = 12221017915961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221023013113) 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, 8667945 + ... + 9978742.

It is an arithmetic number, because the mean of its divisors is an integer number (3055259828800).

Almost surely, 212221020013113 is an apocalyptic number.

It is an amenable number.

12221020013113 is a deficient number, since it is larger than the sum of its proper divisors (19302087).

12221020013113 is an equidigital number, since it uses as much as digits as its factorization.

12221020013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19302086.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12221020013113 its reverse (31131002012221), we get a palindrome (43352022025334).

The spelling of 12221020013113 in words is "twelve trillion, two hundred twenty-one billion, twenty million, thirteen thousand, one hundred thirteen".

Divisors: 1 655399 18646687 12221020013113