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12331111332211 = 71904099251597
BaseRepresentation
bin1011001101110000111110…
…0000101011100101110011
31121122211202100110120002221
42303130033200223211303
53104013104000112321
642120500115021511
72411615301625330
oct263341740534563
947584670416087
1012331111332211
113a2465a96a501
121471a2829a897
136b5a84c012b9
14308b869b7987
15165b61a7be41
hexb370f82b973

12331111332211 has 8 divisors (see below), whose sum is σ = 14092774201440. Its totient is φ = 10569467347008.

The previous prime is 12331111332173. The next prime is 12331111332271. The reversal of 12331111332211 is 11223311113321.

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

It is a cyclic number.

It is not a de Polignac number, because 12331111332211 - 231 = 12328963848563 is a prime.

It is a super-2 number, since 2×123311113322112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331111332271) 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, 3292936 + ... + 5958661.

It is an arithmetic number, because the mean of its divisors is an integer number (1761596775180).

Almost surely, 212331111332211 is an apocalyptic number.

12331111332211 is a deficient number, since it is larger than the sum of its proper divisors (1761662869229).

12331111332211 is an equidigital number, since it uses as much as digits as its factorization.

12331111332211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442013.

The product of its digits is 648, while the sum is 25.

Adding to 12331111332211 its reverse (11223311113321), we get a palindrome (23554422445532).

The spelling of 12331111332211 in words is "twelve trillion, three hundred thirty-one billion, one hundred eleven million, three hundred thirty-two thousand, two hundred eleven".

Divisors: 1 7 190409 1332863 9251597 64761179 1761587333173 12331111332211