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12221020013333 = 31394226452043
BaseRepresentation
bin1011000111010110110110…
…0011101000001100010101
31121021022120220020002210012
42301311231203220030111
53100212122110411313
641554131544010005
72400640161100145
oct261655543501425
947238526202705
1012221020013333
1139919a621814a
121454622a60905
136a858b810071
14303701622925
15162d6b946da8
hexb1d6d8e8315

12221020013333 has 4 divisors (see below), whose sum is σ = 12615246465408. Its totient is φ = 11826793561260.

The previous prime is 12221020013309. The next prime is 12221020013341. The reversal of 12221020013333 is 33331002012221.

12221020013333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 12221020013333 - 26 = 12221020013269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221020013299 and 12221020013308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221020013303) 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, 197113225991 + ... + 197113226052.

It is an arithmetic number, because the mean of its divisors is an integer number (3153811616352).

Almost surely, 212221020013333 is an apocalyptic number.

It is an amenable number.

12221020013333 is a deficient number, since it is larger than the sum of its proper divisors (394226452075).

12221020013333 is an equidigital number, since it uses as much as digits as its factorization.

12221020013333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394226452074.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12221020013333 its reverse (33331002012221), we get a palindrome (45552022025554).

The spelling of 12221020013333 in words is "twelve trillion, two hundred twenty-one billion, twenty million, thirteen thousand, three hundred thirty-three".

Divisors: 1 31 394226452043 12221020013333