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13201221023122 = 21117931310710113
BaseRepresentation
bin1100000000011010011000…
…0101101111010110010010
31201202000122210100121121111
43000012212011233112102
53212242100040214442
644024320205243534
72531520364153516
oct300064605572622
951660583317544
1013201221023122
11422a674126710
12159259a2635aa
13749b3cc4ca82
14338d2a34a146
1517d5d9deab17
hexc01a616f592

13201221023122 has 32 divisors (see below), whose sum is σ = 21792083158080. Its totient is φ = 5947967800320.

The previous prime is 13201221023047. The next prime is 13201221023141. The reversal of 13201221023122 is 22132012210231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13201221023093 and 13201221023102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4122463 + ... + 6587650.

It is an arithmetic number, because the mean of its divisors is an integer number (681002598690).

Almost surely, 213201221023122 is an apocalyptic number.

13201221023122 is a deficient number, since it is larger than the sum of its proper divisors (8590862134958).

13201221023122 is a wasteful number, since it uses less digits than its factorization.

13201221023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710618.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13201221023122 its reverse (22132012210231), we get a palindrome (35333233233353).

The spelling of 13201221023122 in words is "thirteen trillion, two hundred one billion, two hundred twenty-one million, twenty-three thousand, one hundred twenty-two".

Divisors: 1 2 11 22 179 313 358 626 1969 3443 3938 6886 56027 112054 616297 1232594 10710113 21420226 117811243 235622486 1917110227 3352265369 3834220454 6704530738 21088212497 36874919059 42176424994 73749838118 600055501051 1200111002102 6600610511561 13201221023122