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121023221332 = 2213194725710141
BaseRepresentation
bin111000010110110001…
…0111100111001010100
3102120101022112122021211
41300231202330321110
53440323421040312
6131333003351204
711513032256656
oct1605542747124
9376338478254
10121023221332
11473644a9492
121b556522504
13b549194c90
145c011ba6d6
153234c223a7
hex1c2d8bce54

121023221332 has 96 divisors (see below), whose sum is σ = 246173114880. Its totient is φ = 51584532480.

The previous prime is 121023221281. The next prime is 121023221353. The reversal of 121023221332 is 233122320121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11928982 + ... + 11939122.

It is an arithmetic number, because the mean of its divisors is an integer number (2564303280).

Almost surely, 2121023221332 is an apocalyptic number.

It is an amenable number.

121023221332 is an abundant number, since it is smaller than the sum of its proper divisors (125149893548).

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

121023221332 is a wasteful number, since it uses less digits than its factorization.

121023221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481 (or 10479 counting only the distinct ones).

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

Adding to 121023221332 its reverse (233122320121), we get a palindrome (354145541453).

The spelling of 121023221332 in words is "one hundred twenty-one billion, twenty-three million, two hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 13 19 26 38 47 52 76 94 188 247 257 494 514 611 893 988 1028 1222 1786 2444 3341 3572 4883 6682 9766 10141 11609 12079 13364 19532 20282 23218 24158 40564 46436 48316 63479 126958 131833 157027 192679 229501 253916 263666 314054 385358 459002 476627 527332 628108 770716 918004 953254 1906508 2504827 2606237 2983513 5009654 5212474 5967026 6196151 9055913 10019308 10424948 11934052 12392302 18111826 24784604 33881081 36223652 49518503 67762162 99037006 117726869 122493139 135524324 198074012 235453738 244986278 470907476 489972556 643740539 1287481078 1592410807 2327369641 2574962156 3184821614 4654739282 6369643228 9309478564 30255805333 60511610666 121023221332