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13012212122 = 271328776271
BaseRepresentation
bin11000001111001011…
…01001100110011010
31020120211202212100022
430013211221212122
5203122111241442
65551104510442
7640311656330
oct140745514632
936524685308
1013012212122
115578066618
12263191b422
1312c4a89400
148b6227b50
155125653d2
hex30796999a

13012212122 has 48 divisors (see below), whose sum is σ = 24185935872. Its totient is φ = 5140998720.

The previous prime is 13012212091. The next prime is 13012212139. The reversal of 13012212122 is 22121221031.

13012212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13012212122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2071847 + ... + 2078117.

It is an arithmetic number, because the mean of its divisors is an integer number (503873664).

Almost surely, 213012212122 is an apocalyptic number.

13012212122 is a deficient number, since it is larger than the sum of its proper divisors (11173723750).

13012212122 is a wasteful number, since it uses less digits than its factorization.

13012212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183 (or 7170 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13012212122 its reverse (22121221031), we get a palindrome (35133433153).

The spelling of 13012212122 in words is "thirteen billion, twelve million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 7 13 14 26 91 169 182 338 877 1183 1754 2366 6139 6271 11401 12278 12542 22802 43897 79807 81523 87794 148213 159614 163046 296426 570661 1037491 1059799 1141322 2074982 2119598 5499667 7418593 10999334 14837186 38497669 71495671 76995338 142991342 500469697 929443723 1000939394 1858887446 6506106061 13012212122