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120120200100001 = 157176460980331
BaseRepresentation
bin11011010011111110101001…
…110110110111100010100001
3120202022101020021110210001001
4123103332221312313202201
5111221022132211200001
61103250242542112001
734205253352161403
oct3323765166674241
9522271207423031
10120120200100001
113530176647a432
1211580123b7b601
135204394c049ba
142193bc4bc2b73
15dd4906e85001
hex6d3fa9db78a1

120120200100001 has 4 divisors (see below), whose sum is σ = 120196661081904. Its totient is φ = 120043739118100.

The previous prime is 120120200099971. The next prime is 120120200100067. The reversal of 120120200100001 is 100001002021021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120120200100001 - 217 = 120120199968929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120120200100101) 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, 38230488595 + ... + 38230491736.

It is an arithmetic number, because the mean of its divisors is an integer number (30049165270476).

Almost surely, 2120120200100001 is an apocalyptic number.

It is an amenable number.

120120200100001 is a deficient number, since it is larger than the sum of its proper divisors (76460981903).

120120200100001 is an equidigital number, since it uses as much as digits as its factorization.

120120200100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76460981902.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120120200100001 its reverse (100001002021021), we get a palindrome (220121202121022).

The spelling of 120120200100001 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred million, one hundred thousand, one".

Divisors: 1 1571 76460980331 120120200100001