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12131230020113 = 174391699956749
BaseRepresentation
bin1011000010001000010110…
…1001111111001000010001
31120221201211021111211210202
42300202011221333020101
53042224224341120423
641445002104504545
72361311121536231
oct260420551771021
946851737454722
1012131230020113
11395790a0a4286
12143b14447b155
1369cc7c369a69
142dd22458dcc1
15160863c4e728
hexb0885a7f211

12131230020113 has 16 divisors (see below), whose sum is σ = 12881682000000. Its totient is φ = 11384903192832.

The previous prime is 12131230020061. The next prime is 12131230020121. The reversal of 12131230020113 is 31102003213121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12131230020113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12131230010113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12201263 + ... + 13158011.

It is an arithmetic number, because the mean of its divisors is an integer number (805105125000).

Almost surely, 212131230020113 is an apocalyptic number.

It is an amenable number.

12131230020113 is a deficient number, since it is larger than the sum of its proper divisors (750451979887).

12131230020113 is a wasteful number, since it uses less digits than its factorization.

12131230020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958904.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12131230020113 its reverse (31102003213121), we get a palindrome (43233233233234).

The spelling of 12131230020113 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty million, twenty thousand, one hundred thirteen".

Divisors: 1 17 439 1699 7463 28883 745861 956749 12679637 16264733 420012811 1625516551 7140217787 27633781367 713601765889 12131230020113