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12031320030102 = 2322355575229649
BaseRepresentation
bin1010111100010100001010…
…0011100111101110010110
31120121011221101020111001100
42233011002203213232112
53034110120411430402
641331040115010530
72351143216614432
oct257050243475626
946534841214040
1012031320030102
1139194aa556aaa
121423900899a46
136937193b3989
142d846747d9c2
1515ce6789471c
hexaf1428e7b96

12031320030102 has 48 divisors (see below), whose sum is σ = 27206145439200. Its totient is φ = 3835382006016.

The previous prime is 12031320030091. The next prime is 12031320030131. The reversal of 12031320030102 is 20103002313021.

12031320030102 is a `hidden beast` number, since 1 + 20 + 313 + 200 + 30 + 102 = 666.

It is a super-2 number, since 2×120313200301022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314227 + ... + 4915422.

It is an arithmetic number, because the mean of its divisors is an integer number (566794696650).

Almost surely, 212031320030102 is an apocalyptic number.

12031320030102 is an abundant number, since it is smaller than the sum of its proper divisors (15174825409098).

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

12031320030102 is a wasteful number, since it uses less digits than its factorization.

12031320030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235237 (or 5235234 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12031320030102 its reverse (20103002313021), we get a palindrome (32134322343123).

The spelling of 12031320030102 in words is "twelve trillion, thirty-one billion, three hundred twenty million, thirty thousand, one hundred two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 5557 11114 16671 33342 50013 100026 127811 255622 383433 766866 1150299 2300598 5229649 10459298 15688947 31377894 47066841 94133682 120281927 240563854 360845781 721691562 1082537343 2165074686 29061159493 58122318986 87183478479 174366956958 261550435437 523100870874 668406668339 1336813336678 2005220005017 4010440010034 6015660015051 12031320030102