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120001232101 = 580120686301
BaseRepresentation
bin110111111000010100…
…0010111110011100101
3102110202002111012121211
41233300220113303211
53431230303411401
6131043334511421
711445512433352
oct1576050276345
9373662435554
10120001232101
114698a626893
121b310205571
13b41552911a
145b45587629
1531c514a951
hex1bf0a17ce5

120001232101 has 4 divisors (see below), whose sum is σ = 120021924204. Its totient is φ = 119980540000.

The previous prime is 120001232083. The next prime is 120001232177. The reversal of 120001232101 is 101232100021.

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 85702562500 + 34298669601 = 292750^2 + 185199^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001232101 - 223 = 119992843493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001232501) 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, 10337350 + ... + 10348951.

It is an arithmetic number, because the mean of its divisors is an integer number (30005481051).

Almost surely, 2120001232101 is an apocalyptic number.

It is an amenable number.

120001232101 is a deficient number, since it is larger than the sum of its proper divisors (20692103).

120001232101 is an equidigital number, since it uses as much as digits as its factorization.

120001232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20692102.

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

Adding to 120001232101 its reverse (101232100021), we get a palindrome (221233332122).

The spelling of 120001232101 in words is "one hundred twenty billion, one million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 5801 20686301 120001232101