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12210021210122 = 237316367320657
BaseRepresentation
bin1011000110101101110111…
…1110100001100000001010
31121020021012101001000020022
42301223131332201200022
53100022110412210442
641545112321300442
72400100464600401
oct261533576414012
947207171030208
1012210021210122
11398827172753a
121452473494722
136a7527c14398
14302d7a984638
151629260423d2
hexb1addfa180a

12210021210122 has 8 divisors (see below), whose sum is σ = 18364133778276. Its totient is φ = 6088643284032.

The previous prime is 12210021210103. The next prime is 12210021210151. The reversal of 12210021210122 is 22101212001221.

12210021210122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12204619107121 + 5402103001 = 3493511^2 + 73499^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12210021210122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8183659583 + ... + 8183661074.

Almost surely, 212210021210122 is an apocalyptic number.

12210021210122 is a deficient number, since it is larger than the sum of its proper divisors (6154112568154).

12210021210122 is a wasteful number, since it uses less digits than its factorization.

12210021210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16367321032.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210021210122 its reverse (22101212001221), we get a palindrome (34311233211343).

The spelling of 12210021210122 in words is "twelve trillion, two hundred ten billion, twenty-one million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 373 746 16367320657 32734641314 6105010605061 12210021210122