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120221001003 = 3186721464203
BaseRepresentation
bin110111111110110111…
…0101110010100101011
3102111022102000121212210
41233331232232110223
53432203034013003
6131121225140203
711454121435125
oct1577556562453
9374272017783
10120221001003
1146a92691484
121b37192a663
13b44bc155ac
145b66834215
1531d95ac503
hex1bfdbae52b

120221001003 has 8 divisors (see below), whose sum is σ = 160380532288. Its totient is φ = 80104401864.

The previous prime is 120221001001. The next prime is 120221001023. The reversal of 120221001003 is 300100122021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120221001003 - 21 = 120221001001 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 120221001003.

It is not an unprimeable number, because it can be changed into a prime (120221001001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10726501 + ... + 10737702.

It is an arithmetic number, because the mean of its divisors is an integer number (20047566536).

Almost surely, 2120221001003 is an apocalyptic number.

120221001003 is a deficient number, since it is larger than the sum of its proper divisors (40159531285).

120221001003 is a wasteful number, since it uses less digits than its factorization.

120221001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21466073.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120221001003 its reverse (300100122021), we get a palindrome (420321123024).

The spelling of 120221001003 in words is "one hundred twenty billion, two hundred twenty-one million, one thousand, three".

Divisors: 1 3 1867 5601 21464203 64392609 40073667001 120221001003