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12210100211 = 90713462073
BaseRepresentation
bin10110101111100011…
…10101011111110011
31011111221110100122202
423113301311133303
5200001241201321
65335332453415
7611402065541
oct132761653763
934457410582
1012210100211
1151a6313011
12244917a26b
1311c784718a
1483b8acd91
154b6e2270b
hex2d7c757f3

12210100211 has 4 divisors (see below), whose sum is σ = 12223563192. Its totient is φ = 12196637232.

The previous prime is 12210100171. The next prime is 12210100237. The reversal of 12210100211 is 11200101221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210100211 - 226 = 12142991347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210100192 and 12210100201.

It is not an unprimeable number, because it can be changed into a prime (12210100261) 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 3 ways as a sum of consecutive naturals, for example, 6730130 + ... + 6731943.

It is an arithmetic number, because the mean of its divisors is an integer number (3055890798).

Almost surely, 212210100211 is an apocalyptic number.

12210100211 is a deficient number, since it is larger than the sum of its proper divisors (13462981).

12210100211 is an equidigital number, since it uses as much as digits as its factorization.

12210100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13462980.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12210100211 its reverse (11200101221), we get a palindrome (23410201432).

The spelling of 12210100211 in words is "twelve billion, two hundred ten million, one hundred thousand, two hundred eleven".

Divisors: 1 907 13462073 12210100211