Search a number
-
+
12010111223 = 1119223257689
BaseRepresentation
bin10110010111101101…
…11100000011110111
31011000000010212100012
423023312330003313
5144044042024343
65303430210435
7603423155345
oct131366740367
934000125305
1012010111223
115103438360
1223b21b3a1b
131195294bb6
1481d0d0995
154a45bb718
hex2cbdbc0f7

12010111223 has 16 divisors (see below), whose sum is σ = 13853414400. Its totient is φ = 10297212480.

The previous prime is 12010111153. The next prime is 12010111229. The reversal of 12010111223 is 32211101021.

It is a cyclic number.

It is not a de Polignac number, because 12010111223 - 28 = 12010110967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010111198 and 12010111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010111229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82238 + ... + 175451.

It is an arithmetic number, because the mean of its divisors is an integer number (865838400).

Almost surely, 212010111223 is an apocalyptic number.

12010111223 is a deficient number, since it is larger than the sum of its proper divisors (1843303177).

12010111223 is a wasteful number, since it uses less digits than its factorization.

12010111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257942.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12010111223 its reverse (32211101021), we get a palindrome (44221212244).

The spelling of 12010111223 in words is "twelve billion, ten million, one hundred eleven thousand, two hundred twenty-three".

Divisors: 1 11 19 209 223 2453 4237 46607 257689 2834579 4896091 53857001 57464647 632111117 1091828293 12010111223