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12424212211255 = 5134719321071737
BaseRepresentation
bin1011010011001011110011…
…0000010110011000110111
31121222202001201012020121021
42310302330300112120313
53112024241311230010
642231334310002011
72421422363220505
oct264627460263067
947882051166537
1012424212211255
113a60095992949
121487a8b646307
136c17a1298740
1430d49965b675
151682b02778da
hexb4cbcc16637

12424212211255 has 32 divisors (see below), whose sum is σ = 16482482037504. Its totient is φ = 8933067472896.

The previous prime is 12424212211253. The next prime is 12424212211261. The reversal of 12424212211255 is 55211221242421.

It is a cyclic number.

It is not a de Polignac number, because 12424212211255 - 21 = 12424212211253 is a prime.

It is a super-2 number, since 2×124242122112552 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12424212211255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424212211253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9946254 + ... + 11125483.

It is an arithmetic number, because the mean of its divisors is an integer number (515077563672).

Almost surely, 212424212211255 is an apocalyptic number.

12424212211255 is a deficient number, since it is larger than the sum of its proper divisors (4058269826249).

12424212211255 is a wasteful number, since it uses less digits than its factorization.

12424212211255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21071995.

The product of its digits is 25600, while the sum is 34.

Adding to 12424212211255 its reverse (55211221242421), we get a palindrome (67635433453676).

The spelling of 12424212211255 in words is "twelve trillion, four hundred twenty-four billion, two hundred twelve million, two hundred eleven thousand, two hundred fifty-five".

Divisors: 1 5 13 47 65 193 235 611 965 2509 3055 9071 12545 45355 117923 589615 21071737 105358685 273932581 990371639 1369662905 4066845241 4951858195 12874831307 20334226205 52868988133 64374156535 191141726327 264344940665 955708631635 2484842442251 12424212211255