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120216061206 = 23255711990431
BaseRepresentation
bin110111111110101101…
…1111000010100010110
3102111022001201122202100
41233331123320110112
53432200302424311
6131120531222530
711454031442313
oct1577533702426
9374261648670
10120216061206
1146a8a9180aa
121b370147a46
13b44aba6037
145b65d09d0a
1531d8e33a56
hex1bfd6f8516

120216061206 has 24 divisors (see below), whose sum is σ = 260935781184. Its totient is φ = 40000074480.

The previous prime is 120216061183. The next prime is 120216061211. The reversal of 120216061206 is 602160612021.

120216061206 is a `hidden beast` number, since 1 + 20 + 21 + 6 + 0 + 612 + 0 + 6 = 666.

120216061206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 120216061206.

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 11 ways as a sum of consecutive naturals, for example, 5985190 + ... + 6005241.

It is an arithmetic number, because the mean of its divisors is an integer number (10872324216).

Almost surely, 2120216061206 is an apocalyptic number.

120216061206 is an abundant number, since it is smaller than the sum of its proper divisors (140719719978).

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

120216061206 is a wasteful number, since it uses less digits than its factorization.

120216061206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990996 (or 11990993 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 120216061206 its reverse (602160612021), we get a palindrome (722376673227).

The spelling of 120216061206 in words is "one hundred twenty billion, two hundred sixteen million, sixty-one thousand, two hundred six".

Divisors: 1 2 3 6 9 18 557 1114 1671 3342 5013 10026 11990431 23980862 35971293 71942586 107913879 215827758 6678670067 13357340134 20036010201 40072020402 60108030603 120216061206