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12104512133231 = 75813297473941
BaseRepresentation
bin1011000000100100110100…
…1001010101100001101111
31120212011212021002120012202
42300021031021111201233
53041310020101230411
641424422555452115
72356344044334260
oct260111511254157
946764767076182
1012104512133231
113947549598431
121435b2875703b
1369a5b1c6363b
142dbc0bdc6967
1515eced34383b
hexb024d25586f

12104512133231 has 8 divisors (see below), whose sum is σ = 13836107990304. Its totient is φ = 10373511235680.

The previous prime is 12104512133227. The next prime is 12104512133237. The reversal of 12104512133231 is 13233121540121.

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 12104512133231 - 22 = 12104512133227 is a prime.

It is a super-2 number, since 2×121045121332312 (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 = 12104512133194 and 12104512133203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104512133237) 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, 148696280 + ... + 148777661.

It is an arithmetic number, because the mean of its divisors is an integer number (1729513498788).

Almost surely, 212104512133231 is an apocalyptic number.

12104512133231 is a deficient number, since it is larger than the sum of its proper divisors (1731595857073).

12104512133231 is an equidigital number, since it uses as much as digits as its factorization.

12104512133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297479761.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12104512133231 its reverse (13233121540121), we get a palindrome (25337633673352).

The spelling of 12104512133231 in words is "twelve trillion, one hundred four billion, five hundred twelve million, one hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 7 5813 40691 297473941 2082317587 1729216019033 12104512133231