Search a number
-
+
12032012110321 = 71718858872903
BaseRepresentation
bin1010111100010110101111…
…0011101100100111110001
31120121020201121111210122001
42233011223303230213301
53034113030100012241
641331232520414001
72351166322322140
oct257055363544761
946536647453561
1012032012110321
113919825187125
121423a74617301
136937c98ac2b8
142d84d1355757
1515cea8500431
hexaf16bcec9f1

12032012110321 has 4 divisors (see below), whose sum is σ = 13750870983232. Its totient is φ = 10313153237412.

The previous prime is 12032012110273. The next prime is 12032012110381. The reversal of 12032012110321 is 12301121023021.

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 12032012110321 - 229 = 12031475239409 is a prime.

It is a super-2 number, since 2×120320121103212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12032012110381) 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, 859429436445 + ... + 859429436458.

It is an arithmetic number, because the mean of its divisors is an integer number (3437717745808).

Almost surely, 212032012110321 is an apocalyptic number.

It is an amenable number.

12032012110321 is a deficient number, since it is larger than the sum of its proper divisors (1718858872911).

12032012110321 is an equidigital number, since it uses as much as digits as its factorization.

12032012110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718858872910.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12032012110321 its reverse (12301121023021), we get a palindrome (24333133133342).

The spelling of 12032012110321 in words is "twelve trillion, thirty-two billion, twelve million, one hundred ten thousand, three hundred twenty-one".

Divisors: 1 7 1718858872903 12032012110321