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120222122122001 = 1879324953256369
BaseRepresentation
bin11011010101011101100100…
…111000100001101100010001
3120202200010022101201221210202
4123111131210320201230101
5111224204401230401001
61103405140324504545
734215522155106524
oct3325354470415421
9522603271657722
10120222122122001
1135340a08832069
1211597a2954b155
135210b88988863
142198ad3200bbb
15dd73beccc96b
hex6d5764e21b11

120222122122001 has 8 divisors (see below), whose sum is σ = 120233806482120. Its totient is φ = 120210438362112.

The previous prime is 120222122121889. The next prime is 120222122122033. The reversal of 120222122122001 is 100221221222021.

It can be written as a sum of positive squares in 4 ways, for example, as 56089973976976 + 64132148145025 = 7489324^2 + 8008255^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120222122122001 - 218 = 120222121859857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120222122122051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468813545 + ... + 469069913.

It is an arithmetic number, because the mean of its divisors is an integer number (15029225810265).

Almost surely, 2120222122122001 is an apocalyptic number.

It is an amenable number.

120222122122001 is a deficient number, since it is larger than the sum of its proper divisors (11684360119).

120222122122001 is a wasteful number, since it uses less digits than its factorization.

120222122122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300115.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120222122122001 its reverse (100221221222021), we get a palindrome (220443343344022).

The spelling of 120222122122001 in words is "one hundred twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, one".

Divisors: 1 18793 24953 256369 468941729 4817942617 6397175657 120222122122001