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12612404144121 = 34789449674781
BaseRepresentation
bin1011011110001000110111…
…0111100110011111111001
31122122201211010111222010220
42313202031313212133321
53123120200430102441
642454020344130253
72441134063236015
oct267421567463771
948581733458126
1012612404144121
114022988375481
1214b8450766989
13706463144532
1431862d403545
1516d126c40466
hexb788dde67f9

12612404144121 has 8 divisors (see below), whose sum is σ = 17174337558144. Its totient is φ = 8229370079760.

The previous prime is 12612404144063. The next prime is 12612404144129. The reversal of 12612404144121 is 12144140421621.

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

It is not a de Polignac number, because 12612404144121 - 231 = 12610256660473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12612404144129) 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, 44724837250 + ... + 44724837531.

It is an arithmetic number, because the mean of its divisors is an integer number (2146792194768).

Almost surely, 212612404144121 is an apocalyptic number.

It is an amenable number.

12612404144121 is a deficient number, since it is larger than the sum of its proper divisors (4561933414023).

12612404144121 is an equidigital number, since it uses as much as digits as its factorization.

12612404144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89449674831.

The product of its (nonzero) digits is 12288, while the sum is 33.

Adding to 12612404144121 its reverse (12144140421621), we get a palindrome (24756544565742).

The spelling of 12612404144121 in words is "twelve trillion, six hundred twelve billion, four hundred four million, one hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 3 47 141 89449674781 268349024343 4204134714707 12612404144121