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112211212001 = 716030173143
BaseRepresentation
bin110100010000001001…
…1110011011011100001
3101201122012012011222212
41220200103303123201
53314302032241001
6123314335411505
711051461364450
oct1504023633341
9351565164885
10112211212001
1143652338449
12198b7383b95
13a773655985
145606b3cb97
152dbb2cb7bb
hex1a204f36e1

112211212001 has 4 divisors (see below), whose sum is σ = 128241385152. Its totient is φ = 96181038852.

The previous prime is 112211211971. The next prime is 112211212039. The reversal of 112211212001 is 100212112211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112211212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112211212081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8015086565 + ... + 8015086578.

It is an arithmetic number, because the mean of its divisors is an integer number (32060346288).

Almost surely, 2112211212001 is an apocalyptic number.

It is an amenable number.

112211212001 is a deficient number, since it is larger than the sum of its proper divisors (16030173151).

112211212001 is an equidigital number, since it uses as much as digits as its factorization.

112211212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030173150.

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

Adding to 112211212001 its reverse (100212112211), we get a palindrome (212423324212).

The spelling of 112211212001 in words is "one hundred twelve billion, two hundred eleven million, two hundred twelve thousand, one".

Divisors: 1 7 16030173143 112211212001