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13122111031012 = 228593819007867
BaseRepresentation
bin1011111011110011101011…
…0001000100011011100100
31201110110110110221121220201
42332330322301010123210
53204443040410443022
643524114203440244
72523020100263224
oct276747261043344
951413413847821
1013122111031012
1141aa068647745
12157b1a0526084
13742543323559
1433518388a084
1517b509b33127
hexbef3ac446e4

13122111031012 has 12 divisors (see below), whose sum is σ = 22990427365360. Its totient is φ = 6553417498056.

The previous prime is 13122111030929. The next prime is 13122111031021. The reversal of 13122111031012 is 21013011122131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909500498 + ... + 1909507369.

Almost surely, 213122111031012 is an apocalyptic number.

It is an amenable number.

13122111031012 is a deficient number, since it is larger than the sum of its proper divisors (9868316334348).

13122111031012 is a wasteful number, since it uses less digits than its factorization.

13122111031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819008730 (or 3819008728 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 13122111031012 its reverse (21013011122131), we get a palindrome (34135122153143).

The spelling of 13122111031012 in words is "thirteen trillion, one hundred twenty-two billion, one hundred eleven million, thirty-one thousand, twelve".

Divisors: 1 2 4 859 1718 3436 3819007867 7638015734 15276031468 3280527757753 6561055515506 13122111031012