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12110122001 = 16374295227
BaseRepresentation
bin10110100011101000…
…11100110000010001
31011020222022221100002
423101310130300101
5144300142401001
65321401535345
7606046224065
oct132164346021
934228287302
1012110122001
11515493699a
12241b7a4555
1311acc10583
1482c4c5aa5
154ad27446b
hex2d1d1cc11

12110122001 has 4 divisors (see below), whose sum is σ = 12184417392. Its totient is φ = 12035826612.

The previous prime is 12110121997. The next prime is 12110122019. The reversal of 12110122001 is 10022101121.

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 not a de Polignac number, because 12110122001 - 22 = 12110121997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110122201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37147451 + ... + 37147776.

It is an arithmetic number, because the mean of its divisors is an integer number (3046104348).

Almost surely, 212110122001 is an apocalyptic number.

It is an amenable number.

12110122001 is a deficient number, since it is larger than the sum of its proper divisors (74295391).

12110122001 is an equidigital number, since it uses as much as digits as its factorization.

12110122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74295390.

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

Adding to 12110122001 its reverse (10022101121), we get a palindrome (22132223122).

The spelling of 12110122001 in words is "twelve billion, one hundred ten million, one hundred twenty-two thousand, one".

Divisors: 1 163 74295227 12110122001