Search a number
-
+
12213312232331 = 712713738258979
BaseRepresentation
bin1011000110111010001000…
…1000110001101110001011
31121020120200201200020222202
42301232202020301232023
53100100330412413311
641550415043310415
72400245156041340
oct261564210615613
947216621606882
1012213312232331
11398970039a201
12145303167b40b
136a79309a21c2
143031adaa47c7
15162a69e1ee3b
hexb1ba2231b8b

12213312232331 has 8 divisors (see below), whose sum is σ = 14067977195520. Its totient is φ = 10386123787368.

The previous prime is 12213312232313. The next prime is 12213312232379. The reversal of 12213312232331 is 13323221331221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-12213312232331 is a prime.

It is a super-2 number, since 2×122133122323312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213312232294 and 12213312232303.

It is not an unprimeable number, because it can be changed into a prime (12213312235331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6869128601 + ... + 6869130378.

It is an arithmetic number, because the mean of its divisors is an integer number (1758497149440).

Almost surely, 212213312232331 is an apocalyptic number.

12213312232331 is a deficient number, since it is larger than the sum of its proper divisors (1854664963189).

12213312232331 is a wasteful number, since it uses less digits than its factorization.

12213312232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13738259113.

The product of its digits is 7776, while the sum is 29.

Adding to 12213312232331 its reverse (13323221331221), we get a palindrome (25536533563552).

The spelling of 12213312232331 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 7 127 889 13738258979 96167812853 1744758890333 12213312232331