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12214411441221 = 311233648516367
BaseRepresentation
bin1011000110111110001110…
…1001111011010001000101
31121020200112100000212010010
42301233203221323101011
53100110103312104341
641551120111220433
72400314334131103
oct261574351732105
947220470025103
1012214411441221
11398a114914100
121453299817719
136a7a77636a72
14303275a78c73
15162ad169b716
hexb1be3a7b445

12214411441221 has 12 divisors (see below), whose sum is σ = 17901010707776. Its totient is φ = 7402673600520.

The previous prime is 12214411441163. The next prime is 12214411441261.

It is a happy number.

12214411441221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12214411441221 - 210 = 12214411440197 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 (12214411441261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16824257821 + ... + 16824258546.

Almost surely, 212214411441221 is an apocalyptic number.

12214411441221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12214411441221 is a deficient number, since it is larger than the sum of its proper divisors (5686599266555).

12214411441221 is a wasteful number, since it uses less digits than its factorization.

12214411441221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33648516392 (or 33648516381 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

It can be divided in two parts, 1221441 and 1441221, that added together give a palindrome (2662662).

The spelling of 12214411441221 in words is "twelve trillion, two hundred fourteen billion, four hundred eleven million, four hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 3 11 33 121 363 33648516367 100945549101 370133680037 1110401040111 4071470480407 12214411441221