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120012221233 = 142384337471
BaseRepresentation
bin110111111000101001…
…0010010101100110001
3102110202212011111212201
41233301102102230301
53431241112034413
6131044410223201
711446005022552
oct1576122225461
9373685144781
10120012221233
1146995852113
121b313a24b01
13b4178a5c78
145b46c08329
1531c60bb9dd
hex1bf1492b31

120012221233 has 4 divisors (see below), whose sum is σ = 120096560128. Its totient is φ = 119927882340.

The previous prime is 120012221221. The next prime is 120012221237. The reversal of 120012221233 is 332122210021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120012221233 - 217 = 120012090161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012221233.

It is not an unprimeable number, because it can be changed into a prime (120012221237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42167313 + ... + 42170158.

It is an arithmetic number, because the mean of its divisors is an integer number (30024140032).

Almost surely, 2120012221233 is an apocalyptic number.

It is an amenable number.

120012221233 is a deficient number, since it is larger than the sum of its proper divisors (84338895).

120012221233 is an equidigital number, since it uses as much as digits as its factorization.

120012221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84338894.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120012221233 its reverse (332122210021), we get a palindrome (452134431254).

The spelling of 120012221233 in words is "one hundred twenty billion, twelve million, two hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 1423 84337471 120012221233