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12211202210211 = 321971410539241
BaseRepresentation
bin1011000110110010010001…
…0111101011100110100011
31121020101020200022000210100
42301230210113223212203
53100032020231211321
641545425430233443
72400141655123344
oct261544427534643
947211220260710
1012211202210211
113988818336374
121452742ab5883
136a76857b56c4
1430304d76a0cb
15162994a78326
hexb1b245eb9a3

12211202210211 has 12 divisors (see below), whose sum is σ = 18566740202920. Its totient is φ = 7712338237920.

The previous prime is 12211202210191. The next prime is 12211202210237. The reversal of 12211202210211 is 11201220211221.

12211202210211 is a `hidden beast` number, since 1 + 2 + 211 + 20 + 221 + 0 + 211 = 666.

It is not a de Polignac number, because 12211202210211 - 29 = 12211202209699 is a prime.

It is a super-2 number, since 2×122112022102112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211202210261) 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 11 ways as a sum of consecutive naturals, for example, 35705269450 + ... + 35705269791.

Almost surely, 212211202210211 is an apocalyptic number.

12211202210211 is a deficient number, since it is larger than the sum of its proper divisors (6355537992709).

12211202210211 is a wasteful number, since it uses less digits than its factorization.

12211202210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71410539266 (or 71410539263 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12211202210211 its reverse (11201220211221), we get a palindrome (23412422421432).

The spelling of 12211202210211 in words is "twelve trillion, two hundred eleven billion, two hundred two million, two hundred ten thousand, two hundred eleven".

Divisors: 1 3 9 19 57 171 71410539241 214231617723 642694853169 1356800245579 4070400736737 12211202210211