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12210212221001 = 47271195828753
BaseRepresentation
bin1011000110101110100101…
…0111001011000001001001
31121020021200200110100220022
42301223221113023001021
53100023003312033001
641545143303310225
72400105304265414
oct261535127130111
947207620410808
1012210212221001
11398835a52a873
12145250744b375
136a7558671c82
14302d980a6b7b
15162937bc311b
hexb1ae95cb049

12210212221001 has 8 divisors (see below), whose sum is σ = 12474603880704. Its totient is φ = 11946012224320.

The previous prime is 12210212220961. The next prime is 12210212221021. The reversal of 12210212221001 is 10012221201221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12210212221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210212221021) 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, 47786960 + ... + 48041793.

It is an arithmetic number, because the mean of its divisors is an integer number (1559325485088).

Almost surely, 212210212221001 is an apocalyptic number.

It is an amenable number.

12210212221001 is a deficient number, since it is larger than the sum of its proper divisors (264391659703).

12210212221001 is an equidigital number, since it uses as much as digits as its factorization.

12210212221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95831511.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210212221001 its reverse (10012221201221), we get a palindrome (22222433422222).

The spelling of 12210212221001 in words is "twelve trillion, two hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, one".

Divisors: 1 47 2711 127417 95828753 4503951391 259791749383 12210212221001