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12110110301 = 13219167381
BaseRepresentation
bin10110100011101000…
…11001111001011101
31011020222022100021202
423101310121321131
5144300142012201
65321401405245
7606046145012
oct132164317135
934228270252
1012110110301
115154929123
12241b799825
1311acc08153
1482c4c1709
154ad270c6b
hex2d1d19e5d

12110110301 has 4 divisors (see below), whose sum is σ = 12119279004. Its totient is φ = 12100941600.

The previous prime is 12110110297. The next prime is 12110110303. The reversal of 12110110301 is 10301101121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10301101121 = 12113850417.

It can be written as a sum of positive squares in 2 ways, for example, as 9115284676 + 2994825625 = 95474^2 + 54725^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110110301 - 22 = 12110110297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110110303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4582370 + ... + 4585011.

It is an arithmetic number, because the mean of its divisors is an integer number (3029819751).

Almost surely, 212110110301 is an apocalyptic number.

It is an amenable number.

12110110301 is a deficient number, since it is larger than the sum of its proper divisors (9168703).

12110110301 is an equidigital number, since it uses as much as digits as its factorization.

12110110301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168702.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 12110110301 its reverse (10301101121), we get a palindrome (22411211422).

The spelling of 12110110301 in words is "twelve billion, one hundred ten million, one hundred ten thousand, three hundred one".

Divisors: 1 1321 9167381 12110110301