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12012120210101 = 112939371558669
BaseRepresentation
bin1010111011001100101000…
…1010000111101010110101
31120112100101022101120101212
42232303022022013222311
53033301310233210401
641314143012131205
72346563352054014
oct256631212075265
946470338346355
1012012120210101
113911347781070
121420042906b05
13691979722b3b
142d756556ca7b
1515c6e1ed8dbb
hexaecca287ab5

12012120210101 has 8 divisors (see below), whose sum is σ = 13108589877600. Its totient is φ = 10916393665840.

The previous prime is 12012120210091. The next prime is 12012120210149. The reversal of 12012120210101 is 10101202121021.

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 12012120210101 - 218 = 12012119947957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012120240101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 185747006 + ... + 185811663.

It is an arithmetic number, because the mean of its divisors is an integer number (1638573734700).

Almost surely, 212012120210101 is an apocalyptic number.

12012120210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012120210101 is a deficient number, since it is larger than the sum of its proper divisors (1096469667499).

12012120210101 is a wasteful number, since it uses less digits than its factorization.

12012120210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371561619.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012120210101 its reverse (10101202121021), we get a palindrome (22113322331122).

It can be divided in two parts, 12012120 and 210101, that added together give a palindrome (12222221).

The spelling of 12012120210101 in words is "twelve trillion, twelve billion, one hundred twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 11 2939 32329 371558669 4087145359 1092010928191 12012120210101