Search a number
-
+
120112212 = 223113724593
BaseRepresentation
bin1110010100011…
…00010001010100
322101000022222110
413022030101110
5221222042322
615530231020
72655636243
oct712142124
9271008873
10120112212
11618890a0
1234285470
131bb6601c
1411d4895a
15a828c0c
hex728c454

120112212 has 48 divisors (see below), whose sum is σ = 314016192. Its totient is φ = 35412480.

The previous prime is 120112193. The next prime is 120112217. The reversal of 120112212 is 212211021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7413 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (6542004).

Almost surely, 2120112212 is an apocalyptic number.

120112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120112212 is an abundant number, since it is smaller than the sum of its proper divisors (193903980).

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

120112212 is a wasteful number, since it uses less digits than its factorization.

120112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24648 (or 24646 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120112212 is about 10959.5717069601. The cubic root of 120112212 is about 493.3961106298.

Adding to 120112212 its reverse (212211021), we get a palindrome (332323233).

The spelling of 120112212 in words is "one hundred twenty million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 132 148 222 407 444 814 1221 1628 2442 4884 24593 49186 73779 98372 147558 270523 295116 541046 811569 909941 1082092 1623138 1819882 2729823 3246276 3639764 5459646 10009351 10919292 20018702 30028053 40037404 60056106 120112212