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120020100121201 = 717145728588743
BaseRepresentation
bin11011010010100001011011…
…011011110000001001110001
3120201221210212010200222122211
4123102201123123300021301
5111212402131112334301
61103132250044132121
734165110652326460
oct3322413333601161
9521853763628584
10120020100121201
1135273269667825
1211564848837041
1351c7b0178b307
14218d00a7789d7
15dd1ee909c051
hex6d285b6f0271

120020100121201 has 4 divisors (see below), whose sum is σ = 137165828709952. Its totient is φ = 102874371532452.

The previous prime is 120020100121193. The next prime is 120020100121247. The reversal of 120020100121201 is 102121001020021.

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 120020100121201 - 23 = 120020100121193 is a prime.

It is a super-2 number, since 2×1200201001212012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120020100121001) 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 3 ways as a sum of consecutive naturals, for example, 8572864294365 + ... + 8572864294378.

It is an arithmetic number, because the mean of its divisors is an integer number (34291457177488).

Almost surely, 2120020100121201 is an apocalyptic number.

It is an amenable number.

120020100121201 is a deficient number, since it is larger than the sum of its proper divisors (17145728588751).

120020100121201 is an equidigital number, since it uses as much as digits as its factorization.

120020100121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145728588750.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120020100121201 its reverse (102121001020021), we get a palindrome (222141101141222).

The spelling of 120020100121201 in words is "one hundred twenty trillion, twenty billion, one hundred million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 7 17145728588743 120020100121201