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12231242121332 = 22132121231108867
BaseRepresentation
bin1011000111111100111011…
…0101111000000001110100
31121022021222021220222210202
42301333032311320001310
53100344040440340312
642002542143140032
72401451403425243
oct261771665700164
947267867828722
1012231242121332
113996271345193
1214565b62a4618
136a952a525590
14303dd108095a
151632690799c2
hexb1fced78074

12231242121332 has 24 divisors (see below), whose sum is σ = 23051316531936. Its totient is φ = 5645156967648.

The previous prime is 12231242121313. The next prime is 12231242121341. The reversal of 12231242121332 is 23312124213221.

It is a super-2 number, since 2×122312421213322 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231242121295 and 12231242121304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10475963 + ... + 11584829.

It is an arithmetic number, because the mean of its divisors is an integer number (960471522164).

Almost surely, 212231242121332 is an apocalyptic number.

It is an amenable number.

12231242121332 is a deficient number, since it is larger than the sum of its proper divisors (10820074410604).

12231242121332 is a wasteful number, since it uses less digits than its factorization.

12231242121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321007 (or 1321005 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 12231242121332 its reverse (23312124213221), we get a palindrome (35543366334553).

The spelling of 12231242121332 in words is "twelve trillion, two hundred thirty-one billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 212123 424246 848492 1108867 2217734 2757599 4435468 5515198 11030396 14415271 28830542 57661084 235216194641 470432389282 940864778564 3057810530333 6115621060666 12231242121332