Search a number
-
+
12031020011230 = 2511109372909193
BaseRepresentation
bin1010111100010011000010…
…1011001000111011011110
31120121011011110200221112021
42233010300223020323132
53034104012110324410
641330550240330354
72351132614526023
oct257046053107336
946534143627467
1012031020011230
11391936616a420
1214238383139ba
1369369c1aa40c
142d84396a354a
1515ce4b37eeda
hexaf130ac8ede

12031020011230 has 16 divisors (see below), whose sum is σ = 23624548385904. Its totient is φ = 4374916367680.

The previous prime is 12031020011173. The next prime is 12031020011233. The reversal of 12031020011230 is 3211002013021.

It is a super-2 number, since 2×120310200112302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031020011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54686454487 + ... + 54686454706.

It is an arithmetic number, because the mean of its divisors is an integer number (1476534274119).

Almost surely, 212031020011230 is an apocalyptic number.

12031020011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031020011230 is a deficient number, since it is larger than the sum of its proper divisors (11593528374674).

12031020011230 is a wasteful number, since it uses less digits than its factorization.

12031020011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109372909211.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12031020011230 its reverse (3211002013021), we get a palindrome (15242022024251).

The spelling of 12031020011230 in words is "twelve trillion, thirty-one billion, twenty million, eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 109372909193 218745818386 546864545965 1093729091930 1203102001123 2406204002246 6015510005615 12031020011230