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13321212123012 = 2238968271827017
BaseRepresentation
bin1100000111011001011000…
…0111011101011110000100
31202011111101011210001110020
43001312112013131132010
53221223320300414022
644155402543055140
72543266024530213
oct301662607353604
952144334701406
1013321212123012
114276548a61a72
1215b18a6ba14b0
1375825333c0b1
14340a7041707a
151817ae1e435c
hexc1d961dd784

13321212123012 has 48 divisors (see below), whose sum is σ = 31436694838080. Its totient is φ = 4389866348032.

The previous prime is 13321212122983. The next prime is 13321212123031. The reversal of 13321212123012 is 21032121212331.

13321212123012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6377728 + ... + 8204744.

It is an arithmetic number, because the mean of its divisors is an integer number (654931142460).

Almost surely, 213321212123012 is an apocalyptic number.

13321212123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13321212123012 is an abundant number, since it is smaller than the sum of its proper divisors (18115482715068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321212123012 is a wasteful number, since it uses less digits than its factorization.

13321212123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833940 (or 1833938 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13321212123012 its reverse (21032121212331), we get a palindrome (34353333335343).

The spelling of 13321212123012 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twelve million, one hundred twenty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 6827 13654 20481 27308 40962 81924 607603 1215206 1822809 1827017 2430412 3645618 3654034 5481051 7291236 7308068 10962102 21924204 162604513 325209026 487813539 650418052 975627078 1951254156 12473045059 24946090118 37419135177 49892180236 74838270354 149676540708 1110101010251 2220202020502 3330303030753 4440404041004 6660606061506 13321212123012