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121203330132 = 223173263221989
BaseRepresentation
bin111000011100001001…
…0000000110001010100
3102120211212110010010010
41300320102000301110
53441211023031012
6131402520000220
711520350210343
oct1607022006124
9376755403103
10121203330132
1147447135935
121b5a6900070
13b5775a6531
145c1b0a1b5a
15324594cc3c
hex1c38480c54

121203330132 has 48 divisors (see below), whose sum is σ = 285525313920. Its totient is φ = 40014668928.

The previous prime is 121203330091. The next prime is 121203330139. The reversal of 121203330132 is 231033302121.

It is a junction number, because it is equal to n+sod(n) for n = 121203330099 and 121203330108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121203330139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434994 + ... + 656982.

It is an arithmetic number, because the mean of its divisors is an integer number (5948444040).

Almost surely, 2121203330132 is an apocalyptic number.

121203330132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121203330132 is an abundant number, since it is smaller than the sum of its proper divisors (164321983788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121203330132 is a wasteful number, since it uses less digits than its factorization.

121203330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222432 (or 222430 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121203330132 its reverse (231033302121), we get a palindrome (352236632253).

The spelling of 121203330132 in words is "one hundred twenty-one billion, two hundred three million, three hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 173 263 346 519 526 692 789 1038 1052 1578 2076 3156 45499 90998 136497 181996 221989 272994 443978 545988 665967 887956 1331934 2663868 38404097 58383107 76808194 115212291 116766214 153616388 175149321 230424582 233532428 350298642 460849164 700597284 10100277511 20200555022 30300832533 40401110044 60601665066 121203330132