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12221222210202 = 232036870368367
BaseRepresentation
bin1011000111010111100110…
…0110111100101010011010
31121021100002222200202202010
42301311321212330222122
53100213030341211302
641554204005450350
72400645164534325
oct261657146745232
947240088622663
1012221222210202
113991a9a3706a5
12145467a7109b6
136a85c1686295
143037204177bc
15162d7e58716c
hexb1d799bca9a

12221222210202 has 8 divisors (see below), whose sum is σ = 24442444420416. Its totient is φ = 4073740736732.

The previous prime is 12221222210173. The next prime is 12221222210203. The reversal of 12221222210202 is 20201222212221.

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

12221222210202 is an admirable number.

It is a super-3 number, since 3×122212222102023 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12221222210203) 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, 1018435184178 + ... + 1018435184189.

It is an arithmetic number, because the mean of its divisors is an integer number (3055305552552).

Almost surely, 212221222210202 is an apocalyptic number.

12221222210202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12221222210202 is a wasteful number, since it uses less digits than its factorization.

12221222210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036870368372.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12221222210202 its reverse (20201222212221), we get a palindrome (32422444422423).

The spelling of 12221222210202 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 2036870368367 4073740736734 6110611105101 12221222210202