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12022110211211 = 22135432494447
BaseRepresentation
bin1010111011110001110110…
…0110111100110010001011
31120120022011112100012121222
42232330131212330302023
53033432240203224321
641322514200352255
72350366045502462
oct256743546746213
946508145305558
1012022110211211
113915603886831
121421b7047568b
136928ac31c0b9
142d7c3224b9d9
1515cac906e3ab
hexaef1d9bcc8b

12022110211211 has 4 divisors (see below), whose sum is σ = 12027542707872. Its totient is φ = 12016677714552.

The previous prime is 12022110211187. The next prime is 12022110211213. The reversal of 12022110211211 is 11211201122021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12022110211211 is a prime.

It is a super-2 number, since 2×120221102112112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12022110211211.

It is not an unprimeable number, because it can be changed into a prime (12022110211213) 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, 2716245011 + ... + 2716249436.

It is an arithmetic number, because the mean of its divisors is an integer number (3006885676968).

Almost surely, 212022110211211 is an apocalyptic number.

12022110211211 is a deficient number, since it is larger than the sum of its proper divisors (5432496661).

12022110211211 is an equidigital number, since it uses as much as digits as its factorization.

12022110211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432496660.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12022110211211 its reverse (11211201122021), we get a palindrome (23233311333232).

The spelling of 12022110211211 in words is "twelve trillion, twenty-two billion, one hundred ten million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 2213 5432494447 12022110211211