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12255013202201 = 721184467269177
BaseRepresentation
bin1011001001010101011110…
…1101010110100100011001
31121101120022221102000111022
42302111113231112210121
53101241231334432301
642021513024012225
72403252436324100
oct262252755264431
947346287360438
1012255013202201
1139a535a513070
12145b12b161075
136ab8482805c3
1430520812b037
15163baadecd1b
hexb2557b56919

12255013202201 has 24 divisors (see below), whose sum is σ = 15552058275936. Its totient is φ = 9549212406720.

The previous prime is 12255013202191. The next prime is 12255013202233. The reversal of 12255013202201 is 10220231055221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-12255013202201 is a prime.

It is a super-2 number, since 2×122550132022012 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12255013202261) 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 23 ways as a sum of consecutive naturals, for example, 45393125 + ... + 45662301.

It is an arithmetic number, because the mean of its divisors is an integer number (648002428164).

Almost surely, 212255013202201 is an apocalyptic number.

12255013202201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12255013202201 is a deficient number, since it is larger than the sum of its proper divisors (3297045073735).

12255013202201 is a wasteful number, since it uses less digits than its factorization.

12255013202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353669 (or 353662 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12255013202201 its reverse (10220231055221), we get a palindrome (22475244257422).

The spelling of 12255013202201 in words is "twelve trillion, two hundred fifty-five billion, thirteen million, two hundred two thousand, two hundred one".

Divisors: 1 7 11 49 77 539 84467 269177 591269 929137 1884239 2960947 4138883 6503959 13189673 20726629 45527713 145086403 22736573659 159156015613 250102310249 1114092109291 1750716171743 12255013202201