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12221003133 = 321357889237
BaseRepresentation
bin10110110000110110…
…11011010101111101
31011112200222021122200
423120123123111331
5200012034100013
65340402302113
7611563545513
oct133033332575
934480867580
1012221003133
11520148a599
122450957939
1311c9b93a01
1483d10a4b3
154b7d77e73
hex2d86db57d

12221003133 has 6 divisors (see below), whose sum is σ = 17652560094. Its totient is φ = 8147335416.

The previous prime is 12221003111. The next prime is 12221003141. The reversal of 12221003133 is 33130012221.

It can be written as a sum of positive squares in only one way, i.e., 11384463204 + 836539929 = 106698^2 + 28923^2 .

It is not a de Polignac number, because 12221003133 - 213 = 12220994941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221003183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678944610 + ... + 678944627.

It is an arithmetic number, because the mean of its divisors is an integer number (2942093349).

Almost surely, 212221003133 is an apocalyptic number.

It is an amenable number.

12221003133 is a deficient number, since it is larger than the sum of its proper divisors (5431556961).

12221003133 is a wasteful number, since it uses less digits than its factorization.

12221003133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357889243 (or 1357889240 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12221003133 its reverse (33130012221), we get a palindrome (45351015354).

The spelling of 12221003133 in words is "twelve billion, two hundred twenty-one million, three thousand, one hundred thirty-three".

Divisors: 1 3 9 1357889237 4073667711 12221003133