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12021300131300 = 22522319332703907
BaseRepresentation
bin1010111011101110110101…
…0100101111010111100100
31120120020002002000212220022
42232323231110233113210
53033424110313200200
641322301541454312
72350340011104455
oct256735524572744
946506062025808
1012021300131300
1139152285907a9
121421985111398
136927b054a185
142d7b9681b12c
1515ca7cda5885
hexaeeed52f5e4

12021300131300 has 72 divisors (see below), whose sum is σ = 27234496838976. Its totient is φ = 4597072824960.

The previous prime is 12021300131237. The next prime is 12021300131311. The reversal of 12021300131300 is 313100312021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3093947 + ... + 5797853.

Almost surely, 212021300131300 is an apocalyptic number.

12021300131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021300131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13617248419488).

12021300131300 is an abundant number, since it is smaller than the sum of its proper divisors (15213196707676).

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

12021300131300 is a wasteful number, since it uses less digits than its factorization.

12021300131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705877 (or 2705870 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12021300131300 its reverse (313100312021), we get a palindrome (12334400443321).

The spelling of 12021300131300 in words is "twelve trillion, twenty-one billion, three hundred million, one hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 230 460 575 1150 1933 2300 3866 7732 9665 19330 38660 44459 48325 88918 96650 177836 193300 222295 444590 889180 1111475 2222950 2703907 4445900 5407814 10815628 13519535 27039070 54078140 62189861 67597675 124379722 135195350 248759444 270390700 310949305 621898610 1243797220 1554746525 3109493050 5226652231 6218986100 10453304462 20906608924 26133261155 52266522310 104533044620 120213001313 130666305775 240426002626 261332611550 480852005252 522665223100 601065006565 1202130013130 2404260026260 3005325032825 6010650065650 12021300131300