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12222102220201 = 98824312367507
BaseRepresentation
bin1011000111011010111000…
…0011111010110110101001
31121021102101022120220112001
42301312232003322312221
53100221331132021301
641554431203251001
72401006041515206
oct261665603726651
947242338526461
1012222102220201
11399240108a195
121454885379a61
136a8701aa0c63
143037a524ccad
15162dd1965c01
hexb1dae0fada9

12222102220201 has 4 divisors (see below), whose sum is σ = 12222115575952. Its totient is φ = 12222088864452.

The previous prime is 12222102220187. The next prime is 12222102220217. The reversal of 12222102220201 is 10202220122221.

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 12222102220201 - 29 = 12222102219689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222102220301) 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, 5195511 + ... + 7171996.

It is an arithmetic number, because the mean of its divisors is an integer number (3055528893988).

Almost surely, 212222102220201 is an apocalyptic number.

It is an amenable number.

12222102220201 is a deficient number, since it is larger than the sum of its proper divisors (13355751).

12222102220201 is an equidigital number, since it uses as much as digits as its factorization.

12222102220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13355750.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12222102220201 its reverse (10202220122221), we get a palindrome (22424322342422).

The spelling of 12222102220201 in words is "twelve trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred one".

Divisors: 1 988243 12367507 12222102220201