Search a number
-
+
12021222102211 = 76073253186969
BaseRepresentation
bin1010111011101110100010…
…1011000101010011000011
31120120012212122012121010001
42232323220223011103003
53033423430324232321
641322250113220431
72350335042630430
oct256735053052303
946505778177101
1012021222102211
113915198536353
121421962b61717
1369279a329c0a
142d7b8a308b87
1515ca760e0c91
hexaeee8ac54c3

12021222102211 has 16 divisors (see below), whose sum is σ = 13761754306560. Its totient is φ = 10286495029440.

The previous prime is 12021222102179. The next prime is 12021222102293. The reversal of 12021222102211 is 11220122212021.

It is not a de Polignac number, because 12021222102211 - 25 = 12021222102179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021222100211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138180735 + ... + 138267703.

It is an arithmetic number, because the mean of its divisors is an integer number (860109644160).

Almost surely, 212021222102211 is an apocalyptic number.

12021222102211 is a deficient number, since it is larger than the sum of its proper divisors (1740532204349).

12021222102211 is an equidigital number, since it uses as much as digits as its factorization.

12021222102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120114.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12021222102211 its reverse (11220122212021), we get a palindrome (23241344314232).

The spelling of 12021222102211 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, one hundred two thousand, two hundred eleven".

Divisors: 1 7 607 4249 32531 86969 227717 608783 19746317 52790183 138224219 369531281 2829188539 19804319773 1717317443173 12021222102211