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120211220233 = 1317642184713
BaseRepresentation
bin110111111110100100…
…1011010011100001001
3102111021201121201012001
41233331021122130021
53432143033021413
6131120235351001
711453642340556
oct1577511323411
9374251551161
10120211220233
1146a88110aa5
121b36a5b2461
13b449b9c760
145b65409a2d
1531d87c94dd
hex1bfd25a709

120211220233 has 16 divisors (see below), whose sum is σ = 137096393616. Its totient is φ = 104419399680.

The previous prime is 120211220219. The next prime is 120211220249. The reversal of 120211220233 is 332022112021.

It can be written as a sum of positive squares in 8 ways, for example, as 4782969 + 120206437264 = 2187^2 + 346708^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211220233 - 225 = 120177665801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120211220233.

It is not an unprimeable number, because it can be changed into a prime (120211220033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376685 + ... + 1461397.

It is an arithmetic number, because the mean of its divisors is an integer number (8568524601).

Almost surely, 2120211220233 is an apocalyptic number.

120211220233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120211220233 is a deficient number, since it is larger than the sum of its proper divisors (16885173383).

120211220233 is a wasteful number, since it uses less digits than its factorization.

120211220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91164.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120211220233 its reverse (332022112021), we get a palindrome (452233332254).

The spelling of 120211220233 in words is "one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, two hundred thirty-three".

Divisors: 1 13 17 221 6421 83473 84713 109157 1101269 1419041 1440121 18721573 543942173 7071248249 9247016941 120211220233