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12221332133 = 194129155783
BaseRepresentation
bin10110110000111001…
…01011101010100101
31011112201120222221212
423120130223222211
5200012130112013
65340413321205
7611566415633
oct133034535245
934481528855
1012221332133
11520169479a
122450a96205
1311c9c7a69a
1483d194353
154b7de06a8
hex2d872baa5

12221332133 has 8 divisors (see below), whose sum is σ = 12867758400. Its totient is φ = 11575225728.

The previous prime is 12221332103. The next prime is 12221332183. The reversal of 12221332133 is 33123312221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221332133 - 212 = 12221328037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221332099 and 12221332108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221332103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 156342.

It is an arithmetic number, because the mean of its divisors is an integer number (1608469800).

Almost surely, 212221332133 is an apocalyptic number.

It is an amenable number.

12221332133 is a deficient number, since it is larger than the sum of its proper divisors (646426267).

12221332133 is a wasteful number, since it uses less digits than its factorization.

12221332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159931.

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

Adding to 12221332133 its reverse (33123312221), we get a palindrome (45344644354).

The spelling of 12221332133 in words is "twelve billion, two hundred twenty-one million, three hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 19 4129 78451 155783 2959877 643228007 12221332133