Search a number
-
+
120120212111012 = 22281106868516113
BaseRepresentation
bin11011010011111110101010…
…100100101011111010100100
3120202022101021010002000001022
4123103332222210223322210
5111221022143300023022
61103250244051350312
734205253556235051
oct3323765244537244
9522271233060038
10120120212111012
1135301772233493
1211580127bb2398
13520439754b9c9
142193bc662c028
15dd4908058c42
hex6d3faa92bea4

120120212111012 has 12 divisors (see below), whose sum is σ = 210958450809036. Its totient is φ = 59846369022720.

The previous prime is 120120212110991. The next prime is 120120212111047. The reversal of 120120212111012 is 210111212021021.

It can be written as a sum of positive squares in 2 ways, for example, as 91110957582436 + 29009254528576 = 9545206^2 + 5386024^2 .

It is a super-3 number, since 3×1201202121110123 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53434256933 + ... + 53434259180.

It is an arithmetic number, because the mean of its divisors is an integer number (17579870900753).

Almost surely, 2120120212111012 is an apocalyptic number.

It is an amenable number.

120120212111012 is a deficient number, since it is larger than the sum of its proper divisors (90838238698024).

120120212111012 is a wasteful number, since it uses less digits than its factorization.

120120212111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106868516398 (or 106868516396 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120120212111012 its reverse (210111212021021), we get a palindrome (330231424132033).

The spelling of 120120212111012 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred eleven thousand, twelve".

Divisors: 1 2 4 281 562 1124 106868516113 213737032226 427474064452 30030053027753 60060106055506 120120212111012