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121232122330 = 25112389461327
BaseRepresentation
bin111000011100111111…
…1110110000111011010
3102120220212121220120211
41300321333312013122
53441240410403310
6131405425041334
711521150015534
oct1607177660732
9376825556524
10121232122330
1147461410940
121b5b448624a
13b580547837
145c20c38854
153248238c8a
hex1c39ff61da

121232122330 has 32 divisors (see below), whose sum is σ = 238155966720. Its totient is φ = 44065859520.

The previous prime is 121232122327. The next prime is 121232122337. The reversal of 121232122330 is 33221232121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (121232122337) 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 15 ways as a sum of consecutive naturals, for example, 32127 + ... + 493453.

It is an arithmetic number, because the mean of its divisors is an integer number (7442373960).

Almost surely, 2121232122330 is an apocalyptic number.

121232122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121232122330 is a deficient number, since it is larger than the sum of its proper divisors (116923844390).

121232122330 is a wasteful number, since it uses less digits than its factorization.

121232122330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463734.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121232122330 its reverse (33221232121), we get a palindrome (154453354451).

The spelling of 121232122330 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2389 4778 11945 23890 26279 52558 131395 262790 461327 922654 2306635 4613270 5074597 10149194 25372985 50745970 1102110203 2204220406 5510551015 11021102030 12123212233 24246424466 60616061165 121232122330