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12102301301 = 27074470743
BaseRepresentation
bin10110100010101101…
…00111011001110101
31011020102121121100112
423101112213121311
5144241142120201
65320522152405
7605622602156
oct132126473165
934212547315
1012102301301
115150485102
122419052705
1311ab40293c
1482b44b92d
154ac72c0bb
hex2d15a7675

12102301301 has 4 divisors (see below), whose sum is σ = 12106774752. Its totient is φ = 12097827852.

The previous prime is 12102301291. The next prime is 12102301349. The reversal of 12102301301 is 10310320121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10310320121 = 12781183623.

It is a cyclic number.

It is not a de Polignac number, because 12102301301 - 214 = 12102284917 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 (12102361301) 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, 2232665 + ... + 2238078.

It is an arithmetic number, because the mean of its divisors is an integer number (3026693688).

Almost surely, 212102301301 is an apocalyptic number.

It is an amenable number.

12102301301 is a deficient number, since it is larger than the sum of its proper divisors (4473451).

12102301301 is an equidigital number, since it uses as much as digits as its factorization.

12102301301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473450.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12102301301 its reverse (10310320121), we get a palindrome (22412621422).

The spelling of 12102301301 in words is "twelve billion, one hundred two million, three hundred one thousand, three hundred one".

Divisors: 1 2707 4470743 12102301301