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13221200222202 = 23722979167117539
BaseRepresentation
bin1100000001100100110011…
…1100010101011111111010
31201210221020011202002100210
43000121030330111133322
53213104004224102302
644041422513011550
72533125444434400
oct300311474253772
951727204662323
1013221200222202
114238096938695
121596435253bb6
1374b9a522386b
14339ca3979470
1517dda8e0866c
hexc064cf157fa

13221200222202 has 192 divisors, whose sum is σ = 32416215552000. Its totient is φ = 3579466520448.

The previous prime is 13221200222183. The next prime is 13221200222257. The reversal of 13221200222202 is 20222200212231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112424749 + ... + 112542287.

It is an arithmetic number, because the mean of its divisors is an integer number (168834456000).

Almost surely, 213221200222202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13221200222202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16208107776000).

13221200222202 is an abundant number, since it is smaller than the sum of its proper divisors (19195015329798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221200222202 is a wasteful number, since it uses less digits than its factorization.

13221200222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117833 (or 117826 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13221200222202 its reverse (20222200212231), we get a palindrome (33443400434433).

The spelling of 13221200222202 in words is "thirteen trillion, two hundred twenty-one billion, two hundred million, two hundred twenty-two thousand, two hundred two".