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12221122301233 = 16018677629299
BaseRepresentation
bin1011000111010111001110…
…1001110100110100110001
31121021022212000200212101221
42301311303221310310301
53100212324302114413
641554150040225041
72400642542401456
oct261656351646461
947238760625357
1012221122301233
113991a48a315aa
12145465116b181
136a85a6a75051
1430371104b82d
15162d758ee68d
hexb1d73a74d31

12221122301233 has 4 divisors (see below), whose sum is σ = 12221131532400. Its totient is φ = 12221113070068.

The previous prime is 12221122301209. The next prime is 12221122301299. The reversal of 12221122301233 is 33210322112221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12221122301233 - 217 = 12221122170161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221122301198 and 12221122301207.

It is not an unprimeable number, because it can be changed into a prime (12221122308233) 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, 2212783 + ... + 5416516.

It is an arithmetic number, because the mean of its divisors is an integer number (3055282883100).

Almost surely, 212221122301233 is an apocalyptic number.

It is an amenable number.

12221122301233 is a deficient number, since it is larger than the sum of its proper divisors (9231167).

12221122301233 is an equidigital number, since it uses as much as digits as its factorization.

12221122301233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9231166.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12221122301233 its reverse (33210322112221), we get a palindrome (45431444413454).

The spelling of 12221122301233 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-two million, three hundred one thousand, two hundred thirty-three".

Divisors: 1 1601867 7629299 12221122301233