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120120213001 = 941127651661
BaseRepresentation
bin110111111011110111…
…0001111111000001001
3102111001101101001201211
41233313232033320021
53432001233304001
6131103225013121
711451455651425
oct1576756177011
9374041331654
10120120213001
1146a40801a08
121b3440241a1
13b434087219
145b572b9b85
1531d07ee351
hex1bf7b8fe09

120120213001 has 4 divisors (see below), whose sum is σ = 120247865604. Its totient is φ = 119992560400.

The previous prime is 120120212969. The next prime is 120120213029. The reversal of 120120213001 is 100312021021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45828533776 + 74291679225 = 214076^2 + 272565^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120213001 - 25 = 120120212969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120120213401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63824890 + ... + 63826771.

It is an arithmetic number, because the mean of its divisors is an integer number (30061966401).

Almost surely, 2120120213001 is an apocalyptic number.

It is an amenable number.

120120213001 is a deficient number, since it is larger than the sum of its proper divisors (127652603).

120120213001 is an equidigital number, since it uses as much as digits as its factorization.

120120213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127652602.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120120213001 its reverse (100312021021), we get a palindrome (220432234022).

The spelling of 120120213001 in words is "one hundred twenty billion, one hundred twenty million, two hundred thirteen thousand, one".

Divisors: 1 941 127651661 120120213001