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120320100221131 = 121798866146443
BaseRepresentation
bin11011010110111000110100…
…110101010100000011001011
3120210000111012122211002111001
4123112320310311110003023
5111232311031124034011
61103522142503315431
734225561151156356
oct3326706465240313
9523014178732431
10120320100221131
1135379516922108
12115b2a1214bb77
13521a1a1623545
14219d74990529d
15dd9c0677a7c1
hex6d6e34d540cb

120320100221131 has 4 divisors (see below), whose sum is σ = 120418966368792. Its totient is φ = 120221234073472.

The previous prime is 120320100220939. The next prime is 120320100221149. The reversal of 120320100221131 is 131122001023021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120320100221131 is a prime.

It is a super-2 number, since 2×1203201002211312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120320100221099 and 120320100221108.

It is not an unprimeable number, because it can be changed into a prime (120320100321131) 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, 49433072005 + ... + 49433074438.

It is an arithmetic number, because the mean of its divisors is an integer number (30104741592198).

Almost surely, 2120320100221131 is an apocalyptic number.

120320100221131 is a deficient number, since it is larger than the sum of its proper divisors (98866147661).

120320100221131 is an equidigital number, since it uses as much as digits as its factorization.

120320100221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98866147660.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120320100221131 its reverse (131122001023021), we get a palindrome (251442101244152).

The spelling of 120320100221131 in words is "one hundred twenty trillion, three hundred twenty billion, one hundred million, two hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 1217 98866146443 120320100221131