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12000311021013 = 373471646810899
BaseRepresentation
bin1010111010100000101001…
…0001101000110111010101
31120111012220022022121102020
42232220022101220313111
53033103114110133023
641304511120203353
72345664615443220
oct256501221506725
946435808277366
1012000311021013
1139073377a6567
1214198a7a69559
13690816c78ba3
142d6b650205b7
1515c2503a9de3
hexaea0a468dd5

12000311021013 has 16 divisors (see below), whose sum is σ = 18338886182400. Its totient is φ = 6837558848496.

The previous prime is 12000311020991. The next prime is 12000311021029. The reversal of 12000311021013 is 31012011300021.

It is a happy number.

It is not a de Polignac number, because 12000311021013 - 214 = 12000311004629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000311020983 and 12000311021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000311021213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823398163 + ... + 823412736.

It is an arithmetic number, because the mean of its divisors is an integer number (1146180386400).

Almost surely, 212000311021013 is an apocalyptic number.

It is an amenable number.

12000311021013 is a deficient number, since it is larger than the sum of its proper divisors (6338575161387).

12000311021013 is a wasteful number, since it uses less digits than its factorization.

12000311021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646811256.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12000311021013 its reverse (31012011300021), we get a palindrome (43012322321034).

The spelling of 12000311021013 in words is "twelve trillion, three hundred eleven million, twenty-one thousand, thirteen".

Divisors: 1 3 7 21 347 1041 2429 7287 1646810899 4940432697 11527676293 34583028879 571443381953 1714330145859 4000103673671 12000311021013