Search a number
-
+
12210303231321 = 3131392252407901
BaseRepresentation
bin1011000110101110111011…
…0010010110010101011001
31121020021221000201011120220
42301223232302112111121
53100023200111400241
641545200314110253
72400110460666546
oct261535662262531
947207830634526
1012210303231321
1139883a6941208
121452531a1b389
136a7571488a30
14302da61d7bcd
15162940b9e166
hexb1aeec96559

12210303231321 has 16 divisors (see below), whose sum is σ = 17658877951680. Its totient is φ = 7459974964800.

The previous prime is 12210303231289. The next prime is 12210303231389. The reversal of 12210303231321 is 12313230301221.

It is not a de Polignac number, because 12210303231321 - 25 = 12210303231289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210303231291 and 12210303231300.

It is not an unprimeable number, because it can be changed into a prime (12210303231221) 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, 1126198530 + ... + 1126209371.

It is an arithmetic number, because the mean of its divisors is an integer number (1103679871980).

Almost surely, 212210303231321 is an apocalyptic number.

It is an amenable number.

12210303231321 is a deficient number, since it is larger than the sum of its proper divisors (5448574720359).

12210303231321 is a wasteful number, since it uses less digits than its factorization.

12210303231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252408056.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12210303231321 its reverse (12313230301221), we get a palindrome (24523533532542).

The spelling of 12210303231321 in words is "twelve trillion, two hundred ten billion, three hundred three million, two hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 3 13 39 139 417 1807 5421 2252407901 6757223703 29281302713 87843908139 313084698239 939254094717 4070101077107 12210303231321