Search a number
-
+
120002111212212 = 223221115798066247
BaseRepresentation
bin11011010010010000101011…
…001101100000101010110100
3120201220002102110101201122100
4123102100223031200222310
5111212103310432242322
61103120113035302100
734163603120166615
oct3322205315405264
9521802373351570
10120002111212212
1135266678370199
12115612682aa930
1351c61c5942078
14218c1c15d7c0c
15dd17e4b84dac
hex6d242b360ab4

120002111212212 has 36 divisors (see below), whose sum is σ = 304776294056416. Its totient is φ = 39811126939920.

The previous prime is 120002111212199. The next prime is 120002111212213. The reversal of 120002111212212 is 212212111200021.

120002111212212 is a `hidden beast` number, since 120 + 0 + 0 + 211 + 121 + 2 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002111212213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7899025528 + ... + 7899040719.

Almost surely, 2120002111212212 is an apocalyptic number.

120002111212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120002111212212 is an abundant number, since it is smaller than the sum of its proper divisors (184774182844204).

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

120002111212212 is a wasteful number, since it uses less digits than its factorization.

120002111212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15798066468 (or 15798066463 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120002111212212 its reverse (212212111200021), we get a palindrome (332214222412233).

The spelling of 120002111212212 in words is "one hundred twenty trillion, two billion, one hundred eleven million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 211 422 633 844 1266 1899 2532 3798 7596 15798066247 31596132494 47394198741 63192264988 94788397482 142182596223 189576794964 284365192446 568730384892 3333391978117 6666783956234 10000175934351 13333567912468 20000351868702 30000527803053 40000703737404 60001055606106 120002111212212