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12012202222101 = 324770123404969
BaseRepresentation
bin1010111011001100111100…
…0010111110001000010101
31120112100121000201012201100
42232303033002332020111
53033301442232101401
641314155102020313
72346565366130034
oct256631702761025
946470530635640
1012012202222101
113911389aa6984
121420066277699
13691990708c53
142d75723da71b
1515c6e92d8b86
hexaeccf0be215

12012202222101 has 24 divisors (see below), whose sum is σ = 17720424558720. Its totient is φ = 7837617842496.

The previous prime is 12012202222079. The next prime is 12012202222109. The reversal of 12012202222101 is 10122220221021.

It is a happy number.

12012202222101 is a `hidden beast` number, since 1 + 201 + 220 + 22 + 221 + 0 + 1 = 666.

It is not a de Polignac number, because 12012202222101 - 26 = 12012202222037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012202222109) 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 23 ways as a sum of consecutive naturals, for example, 29459545 + ... + 29864513.

It is an arithmetic number, because the mean of its divisors is an integer number (738351023280).

Almost surely, 212012202222101 is an apocalyptic number.

It is an amenable number.

12012202222101 is a deficient number, since it is larger than the sum of its proper divisors (5708222336619).

12012202222101 is a wasteful number, since it uses less digits than its factorization.

12012202222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475145 (or 475142 counting only the distinct ones).

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

Adding to 12012202222101 its reverse (10122220221021), we get a palindrome (22134422443122).

The spelling of 12012202222101 in words is "twelve trillion, twelve billion, two hundred two million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 3 9 47 141 423 70123 210369 404969 631107 1214907 3295781 3644721 9887343 19033543 29662029 57100629 171301887 28397641187 85192923561 255578770683 1334689135789 4004067407367 12012202222101