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12221121131301 = 37355804206079
BaseRepresentation
bin1011000111010111001110…
…0101010111001100100101
31121021022211221111102120010
42301311303211113030211
53100212324002200201
641554145555200433
72400642526426545
oct261656345271445
947238757442503
1012221121131301
113991a48302615
1214546508a6119
136a85a6755694
14303710c25325
15162d7576cbd6
hexb1d73957325

12221121131301 has 8 divisors (see below), whose sum is σ = 16518044999680. Its totient is φ = 8035805675232.

The previous prime is 12221121131269. The next prime is 12221121131309. The reversal of 12221121131301 is 10313112112221.

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

It is not a de Polignac number, because 12221121131301 - 25 = 12221121131269 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 (12221121131309) 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, 27902102821 + ... + 27902103258.

It is an arithmetic number, because the mean of its divisors is an integer number (2064755624960).

Almost surely, 212221121131301 is an apocalyptic number.

It is an amenable number.

12221121131301 is a deficient number, since it is larger than the sum of its proper divisors (4296923868379).

12221121131301 is an equidigital number, since it uses as much as digits as its factorization.

12221121131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55804206155.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12221121131301 its reverse (10313112112221), we get a palindrome (22534233243522).

The spelling of 12221121131301 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 3 73 219 55804206079 167412618237 4073707043767 12221121131301