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12110010001 = 28143199991
BaseRepresentation
bin10110100011101000…
…00001011010010001
31011020222010020200221
423101310001122101
5144300130310001
65321355313041
7606045246415
oct132164013221
934228106627
1012110010001
11515486a831
12241b74b781
1311acba15bb
1482c496d45
154ad2511a1
hex2d1d01691

12110010001 has 8 divisors (see below), whose sum is σ = 12181425408. Its totient is φ = 12038796000.

The previous prime is 12110009987. The next prime is 12110010043. The reversal of 12110010001 is 10001001121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12110010001 - 25 = 12110009969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12110014001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71116 + ... + 171106.

It is an arithmetic number, because the mean of its divisors is an integer number (1522678176).

Almost surely, 212110010001 is an apocalyptic number.

It is an amenable number.

12110010001 is a deficient number, since it is larger than the sum of its proper divisors (71415407).

12110010001 is an equidigital number, since it uses as much as digits as its factorization.

12110010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100703.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 12110010001 its reverse (10001001121), we get a palindrome (22111011122).

The spelling of 12110010001 in words is "twelve billion, one hundred ten million, ten thousand, one".

Divisors: 1 281 431 99991 121111 28097471 43096121 12110010001