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12222221323201 = 79547282836677
BaseRepresentation
bin1011000111011011010100…
…1010010000101111000001
31121021102200121200222010021
42301312311022100233001
53100222102124320301
641554451100133441
72401012016052241
oct261666512205701
947242617628107
1012222221323201
11399246233901a
1214548b9237281
136a87206727c6
143037b6db3b21
15162ddc1408a1
hexb1db5290bc1

12222221323201 has 8 divisors (see below), whose sum is σ = 12399559963520. Its totient is φ = 12045448357488.

The previous prime is 12222221323183. The next prime is 12222221323261. The reversal of 12222221323201 is 10232312222221.

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

It is a cyclic number.

It is not a de Polignac number, because 12222221323201 - 219 = 12222220798913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222221323261) 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, 141375126 + ... + 141461551.

It is an arithmetic number, because the mean of its divisors is an integer number (1549944995440).

Almost surely, 212222221323201 is an apocalyptic number.

It is an amenable number.

12222221323201 is a deficient number, since it is larger than the sum of its proper divisors (177338640319).

12222221323201 is an equidigital number, since it uses as much as digits as its factorization.

12222221323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282837303.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12222221323201 its reverse (10232312222221), we get a palindrome (22454533545422).

The spelling of 12222221323201 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred one".

Divisors: 1 79 547 43213 282836677 22344097483 154711662319 12222221323201