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12012222110202 = 232667345672789
BaseRepresentation
bin1010111011001101000000…
…1110110101100111111010
31120112100122102010122001200
42232303100032311213322
53033302012330011302
641314201052155030
72346566030151606
oct256632016654772
946470572118050
1012012222110202
11391139a250126
121420070a68a76
13691994880462
142d7574cd6506
1515c6eae1681c
hexaecd03b59fa

12012222110202 has 12 divisors (see below), whose sum is σ = 26026481238810. Its totient is φ = 4004074036728.

The previous prime is 12012222110201. The next prime is 12012222110227. The reversal of 12012222110202 is 20201122221021.

It is a happy number.

12012222110202 is a `hidden beast` number, since 120 + 12 + 222 + 110 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10513216123281 + 1499005986921 = 3242409^2 + 1224339^2 .

It is a super-3 number, since 3×120122221102023 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 667345672789 = 12012222110202 / (1 + 2 + 0 + 1 + 2 + 2 + 2 + 2 + 1 + 1 + 0 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (12012222110201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333672836377 + ... + 333672836412.

Almost surely, 212012222110202 is an apocalyptic number.

12012222110202 is an abundant number, since it is smaller than the sum of its proper divisors (14014259128608).

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

12012222110202 is a wasteful number, since it uses less digits than its factorization.

12012222110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667345672797 (or 667345672794 counting only the distinct ones).

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

Adding to 12012222110202 its reverse (20201122221021), we get a palindrome (32213344331223).

The spelling of 12012222110202 in words is "twelve trillion, twelve billion, two hundred twenty-two million, one hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 9 18 667345672789 1334691345578 2002037018367 4004074036734 6006111055101 12012222110202