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12012120222102 = 232711131574246327
BaseRepresentation
bin1010111011001100101000…
…1010001010100110010110
31120112100101022102011212100
42232303022022022212112
53033301310234101402
641314143012302530
72346563352134010
oct256631212124626
946470338364770
1012012120222102
11391134778a090
121420042911a46
13691979728440
142d75655731b0
1515c6e1edc71c
hexaecca28a996

12012120222102 has 192 divisors, whose sum is σ = 35166933494784. Its totient is φ = 2861684017920.

The previous prime is 12012120222071. The next prime is 12012120222119. The reversal of 12012120222102 is 20122202121021.

It is a happy number.

12012120222102 is a `hidden beast` number, since 120 + 121 + 202 + 221 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 705663 + ... + 4951989.

It is an arithmetic number, because the mean of its divisors is an integer number (183161111952).

Almost surely, 212012120222102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012120222102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17583466747392).

12012120222102 is an abundant number, since it is smaller than the sum of its proper divisors (23154813272682).

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

12012120222102 is a wasteful number, since it uses less digits than its factorization.

12012120222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246523 (or 4246520 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012120222102 its reverse (20122202121021), we get a palindrome (32134322343123).

The spelling of 12012120222102 in words is "twelve trillion, twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred two".