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12230321331012 = 22319748523106621
BaseRepresentation
bin1011000111111001011111…
…1101010101101101000100
31121022012121010021222221120
42301332113331111231010
53100340144230043022
642002310531313540
72401416523016331
oct261762775255504
947265533258846
1012230321331012
113995939602854
121456399a4b8b0
136a941182cb35
14303d44a71988
151632132e2d5c
hexb1f97f55b44

12230321331012 has 48 divisors (see below), whose sum is σ = 28683136544832. Its totient is φ = 4055957861760.

The previous prime is 12230321330999. The next prime is 12230321331017. The reversal of 12230321331012 is 21013312303221.

It is not an unprimeable number, because it can be changed into a prime (12230321331017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114655062 + ... + 114761682.

It is an arithmetic number, because the mean of its divisors is an integer number (597565344684).

Almost surely, 212230321331012 is an apocalyptic number.

12230321331012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230321331012 is an abundant number, since it is smaller than the sum of its proper divisors (16452815213820).

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

12230321331012 is a wasteful number, since it uses less digits than its factorization.

12230321331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155348 (or 155346 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12230321331012 its reverse (21013312303221), we get a palindrome (33243633634233).

The spelling of 12230321331012 in words is "twelve trillion, two hundred thirty billion, three hundred twenty-one million, three hundred thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 48523 97046 106621 145569 194092 213242 291138 319863 426484 582276 639726 1279452 9559031 19118062 21004337 28677093 38236124 42008674 57354186 63013011 84017348 114708372 126026022 252052044 5173570783 10347141566 15520712349 20694283132 31041424698 62082849396 1019193444251 2038386888502 3057580332753 4076773777004 6115160665506 12230321331012