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12210210220201 = 71744315745743
BaseRepresentation
bin1011000110101110100100…
…1111100010100010101001
31121020021200112200201022121
42301223221033202202221
53100023002304021301
641545143152351241
72400105251263240
oct261535117424251
947207615621277
1012210210220201
113988359393614
121452506845521
136a7558121376
14302d97b05957
1516293792a3a1
hexb1ae93e28a9

12210210220201 has 4 divisors (see below), whose sum is σ = 13954525965952. Its totient is φ = 10465894474452.

The previous prime is 12210210220181. The next prime is 12210210220231. The reversal of 12210210220201 is 10202201201221.

It is a happy number.

12210210220201 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 12210210220201 - 213 = 12210210212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210210220231) 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, 872157872865 + ... + 872157872878.

It is an arithmetic number, because the mean of its divisors is an integer number (3488631491488).

Almost surely, 212210210220201 is an apocalyptic number.

It is an amenable number.

12210210220201 is a deficient number, since it is larger than the sum of its proper divisors (1744315745751).

12210210220201 is an equidigital number, since it uses as much as digits as its factorization.

12210210220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744315745750.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12210210220201 its reverse (10202201201221), we get a palindrome (22412411421422).

The spelling of 12210210220201 in words is "twelve trillion, two hundred ten billion, two hundred ten million, two hundred twenty thousand, two hundred one".

Divisors: 1 7 1744315745743 12210210220201