Search a number
-
+
12120200112001 = 71210713921163
BaseRepresentation
bin1011000001011111010000…
…1110001110011110000001
31120220200100120210110100111
42300113310032032132001
53042034132212041001
641435535411351321
72360440600056562
oct260276416163601
946820316713314
1012120200112001
113953169a99043
121438b865b2541
1369bc121a0207
142dc899736169
1516041a753851
hexb05f438e781

12120200112001 has 36 divisors (see below), whose sum is σ = 12508858539216. Its totient is φ = 11742545960880.

The previous prime is 12120200111983. The next prime is 12120200112011. The reversal of 12120200112001 is 10021100202121.

It is not a de Polignac number, because 12120200112001 - 217 = 12120199980929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120200112011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10421495646 + ... + 10421496808.

It is an arithmetic number, because the mean of its divisors is an integer number (347468292756).

Almost surely, 212120200112001 is an apocalyptic number.

It is an amenable number.

12120200112001 is a deficient number, since it is larger than the sum of its proper divisors (388658427215).

12120200112001 is an equidigital number, since it uses as much as digits as its factorization.

12120200112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120200112001 its reverse (10021100202121), we get a palindrome (22141300314122).

The spelling of 12120200112001 in words is "twelve trillion, one hundred twenty billion, two hundred million, one hundred twelve thousand, one".

Divisors: 1 71 107 139 1163 5041 7597 9869 14873 19321 82573 124441 161657 539387 700699 1055983 1371791 2067347 5862683 8835311 11477647 17297299 22470323 74974793 97397161 146781637 627307081 814912937 1228108229 1595392933 2404324561 10421496227 87195684259 113272898243 170707043831 12120200112001