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12021002003131 = 113972752691093
BaseRepresentation
bin1010111011101101101110…
…0011011110001010111011
31120120012022022001101221021
42232323123203132022323
53033423003003100011
641322212211523311
72350326431052232
oct256733343361273
946505268041837
1012021002003131
113915095275690
1214219012b9537
13692763856384
142d7b68db3b19
1515ca61b16471
hexaeedb8de2bb

12021002003131 has 8 divisors (see below), whose sum is σ = 13146852664944. Its totient is φ = 10900656724320.

The previous prime is 12021002003119. The next prime is 12021002003159. The reversal of 12021002003131 is 13130020012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12021002003131 - 25 = 12021002003099 is a prime.

It is a super-2 number, since 2×120210020031312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021002003111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376341180 + ... + 1376349913.

It is an arithmetic number, because the mean of its divisors is an integer number (1643356583118).

Almost surely, 212021002003131 is an apocalyptic number.

12021002003131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021002003131 is a deficient number, since it is larger than the sum of its proper divisors (1125850661813).

12021002003131 is a wasteful number, since it uses less digits than its factorization.

12021002003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752691501.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12021002003131 its reverse (13130020012021), we get a palindrome (25151022015152).

The spelling of 12021002003131 in words is "twelve trillion, twenty-one billion, two million, three thousand, one hundred thirty-one".

Divisors: 1 11 397 4367 2752691093 30279602023 1092818363921 12021002003131