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12230132220221 = 2911531303280711
BaseRepresentation
bin1011000111111000110010…
…1011111100000100111101
31121022012002221110011201012
42301332030223330010331
53100334302322021341
642002240054125005
72401412035424036
oct261761453740475
947265087404635
1012230132220221
113995851888043
121456346650765
136a93b15b9066
14303d278c5a8d
151632018da0eb
hexb1f8cafc13d

12230132220221 has 16 divisors (see below), whose sum is σ = 12672597269760. Its totient is φ = 11789065451520.

The previous prime is 12230132220149. The next prime is 12230132220233. The reversal of 12230132220221 is 12202223103221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12230132220221 - 230 = 12229058478397 is a prime.

It is a super-2 number, since 2×122301322202212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230132220821) 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, 43428056 + ... + 43708766.

It is an arithmetic number, because the mean of its divisors is an integer number (792037329360).

Almost surely, 212230132220221 is an apocalyptic number.

It is an amenable number.

12230132220221 is a deficient number, since it is larger than the sum of its proper divisors (442465049539).

12230132220221 is a wasteful number, since it uses less digits than its factorization.

12230132220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283196.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12230132220221 its reverse (12202223103221), we get a palindrome (24432355323442).

The spelling of 12230132220221 in words is "twelve trillion, two hundred thirty billion, one hundred thirty-two million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 29 1153 1303 33437 37787 280711 1502359 8140619 43568411 323659783 365766433 9386133707 10607226557 421728697249 12230132220221