Search a number
-
+
120000120122221 = 241160331824981
BaseRepresentation
bin11011010010001110110100…
…100010000110101101101101
3120201212220021200210212122121
4123102032310202012231231
5111212040221222402341
61103115143311312541
734163502562204543
oct3322166442065555
9521786250725577
10120000120122221
1135265846459879
12115609b151b751
1351c5c69297401
14218c072dbbd93
15dd1729e824d1
hex6d23b4886b6d

120000120122221 has 8 divisors (see below), whose sum is σ = 120052027425888. Its totient is φ = 119948214594000.

The previous prime is 120000120122189. The next prime is 120000120122249. The reversal of 120000120122221 is 122221021000021.

It is a happy number.

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 120000120122221 - 25 = 120000120122189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000120122195 and 120000120122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000120129221) 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, 145045551 + ... + 145870531.

It is an arithmetic number, because the mean of its divisors is an integer number (15006503428236).

Almost surely, 2120000120122221 is an apocalyptic number.

It is an amenable number.

120000120122221 is a deficient number, since it is larger than the sum of its proper divisors (51907303667).

120000120122221 is an equidigital number, since it uses as much as digits as its factorization.

120000120122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887723.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120000120122221 its reverse (122221021000021), we get a palindrome (242221141122242).

The spelling of 120000120122221 in words is "one hundred twenty trillion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 2411 60331 824981 145458041 1989029191 49771928711 120000120122221