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121213330302 = 2336781549257
BaseRepresentation
bin111000011100011100…
…0001010001101111110
3102120212120021011202210
41300320320022031332
53441221103032202
6131403514201250
711520531210351
oct1607070121576
9376776234683
10121213330302
1147451846139
121b5aa123226
13b5796981ac
145c1c546298
153246775c6c
hex1c38e0a37e

121213330302 has 16 divisors (see below), whose sum is σ = 242433693072. Its totient is φ = 40403271360.

The previous prime is 121213330279. The next prime is 121213330327. The reversal of 121213330302 is 203033312121.

It is a super-2 number, since 2×1212133303022 (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 53943 + ... + 495314.

It is an arithmetic number, because the mean of its divisors is an integer number (15152105817).

Almost surely, 2121213330302 is an apocalyptic number.

121213330302 is an abundant number, since it is smaller than the sum of its proper divisors (121220362770).

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

121213330302 is a wasteful number, since it uses less digits than its factorization.

121213330302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586043.

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

Adding to 121213330302 its reverse (203033312121), we get a palindrome (324246642423).

The spelling of 121213330302 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 36781 73562 110343 220686 549257 1098514 1647771 3295542 20202221717 40404443434 60606665151 121213330302