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12121112323313 = 747709396713099
BaseRepresentation
bin1011000001100010101010…
…0110000010010011110001
31120220202201011021121000122
42300120222212002103301
53042043014223321223
641440210115300025
72360502314535020
oct260305246022361
946822634247018
1012121112323313
113953597a00994
12143919bbaa615
1369c029180b16
142dc9449508b7
151604708935c8
hexb062a9824f1

12121112323313 has 32 divisors (see below), whose sum is σ = 14172045312000. Its totient is φ = 10150794500544.

The previous prime is 12121112323273. The next prime is 12121112323337. The reversal of 12121112323313 is 31332321112121.

It is a cyclic number.

It is not a de Polignac number, because 12121112323313 - 226 = 12121045214449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121112323373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 925339838 + ... + 925352936.

It is an arithmetic number, because the mean of its divisors is an integer number (442876416000).

Almost surely, 212121112323313 is an apocalyptic number.

It is an amenable number.

12121112323313 is a deficient number, since it is larger than the sum of its proper divisors (2050932988687).

12121112323313 is a wasteful number, since it uses less digits than its factorization.

12121112323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17829.

The product of its digits is 1296, while the sum is 26.

Adding to 12121112323313 its reverse (31332321112121), we get a palindrome (43453433435434).

The spelling of 12121112323313 in words is "twelve trillion, one hundred twenty-one billion, one hundred twelve million, three hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 7 47 329 709 3967 4963 13099 27769 33323 91693 186449 233261 615653 1305143 2812603 4309571 9287191 19688221 51963733 65010337 132192341 363746131 436497977 925346387 2442295451 3055485839 17096068157 36842286697 257896006879 1731587474759 12121112323313