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13124204021112 = 2336135924971087
BaseRepresentation
bin1011111011111011011110…
…0001001100010101111000
31201110122212100021112120120
42332332313201030111320
53210011332212133422
643525102011453240
72523123003353202
oct276766741142570
951418770245516
1013124204021112
1141aaa42028128
12157b685457220
137427b7b28832
1433530182d772
1517b5cd76345c
hexbefb784c578

13124204021112 has 64 divisors (see below), whose sum is σ = 33441281049600. Its totient is φ = 4291031418240.

The previous prime is 13124204021011. The next prime is 13124204021213. The reversal of 13124204021112 is 21112040242131.

It is an interprime number because it is at equal distance from previous prime (13124204021011) and next prime (13124204021213).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11959968 + ... + 13011119.

It is an arithmetic number, because the mean of its divisors is an integer number (522520016400).

Almost surely, 213124204021112 is an apocalyptic number.

13124204021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13124204021112 is an abundant number, since it is smaller than the sum of its proper divisors (20317077028488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13124204021112 is a wasteful number, since it uses less digits than its factorization.

13124204021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24971516 (or 24971512 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 13124204021112 its reverse (21112040242131), we get a palindrome (34236244263243).

The spelling of 13124204021112 in words is "thirteen trillion, one hundred twenty-four billion, two hundred four million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 359 366 488 718 732 1077 1436 1464 2154 2872 4308 8616 21899 43798 65697 87596 131394 175192 262788 525576 24971087 49942174 74913261 99884348 149826522 199768696 299653044 599306088 1523236307 3046472614 4569708921 6092945228 8964620233 9139417842 12185890456 17929240466 18278835684 26893860699 35858480932 36557671368 53787721398 71716961864 107575442796 215150885592 546841834213 1093683668426 1640525502639 2187367336852 3281051005278 4374734673704 6562102010556 13124204021112