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12212120010211 = 1129226971686677
BaseRepresentation
bin1011000110110101101100…
…0100110011110111100011
31121020110121122022002200221
42301231123010303313203
53100040410210311321
641550100454023511
72400203501236162
oct261553304636743
947213548262627
1012212120010211
113989149416070
12145295a347b97
136a77a09a2024
143030d95db3d9
151629ea41de41
hexb1b5b133de3

12212120010211 has 16 divisors (see below), whose sum is σ = 13782318207840. Its totient is φ = 10718623578880.

The previous prime is 12212120010203. The next prime is 12212120010229. The reversal of 12212120010211 is 11201002121221.

It is a cyclic number.

It is not a de Polignac number, because 12212120010211 - 23 = 12212120010203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212120013211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6397005 + ... + 8083681.

It is an arithmetic number, because the mean of its divisors is an integer number (861394887990).

Almost surely, 212212120010211 is an apocalyptic number.

12212120010211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12212120010211 is a deficient number, since it is larger than the sum of its proper divisors (1570198197629).

12212120010211 is a wasteful number, since it uses less digits than its factorization.

12212120010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709414.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212120010211 its reverse (11201002121221), we get a palindrome (23413122131432).

The spelling of 12212120010211 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, ten thousand, two hundred eleven".

Divisors: 1 11 29 319 22697 249667 658213 1686677 7240343 18553447 48913633 538049963 38282507869 421107586559 1110192728201 12212120010211