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12021212101002 = 2313826131865543
BaseRepresentation
bin1010111011101110100000…
…0100111011100110001010
31120120012211221101111000220
42232323220010323212022
53033423420244213002
641322245115010510
72350334561624406
oct256735004734612
946505757344026
1012021212101002
113915192925295
12142195b739a36
13692798237940
142d7b88c64106
1515ca752b77bc
hexaeee813b98a

12021212101002 has 32 divisors (see below), whose sum is σ = 25892168738688. Its totient is φ = 3698787736896.

The previous prime is 12021212101001. The next prime is 12021212101069. The reversal of 12021212101002 is 20010121212021.

It is not an unprimeable number, because it can be changed into a prime (12021212101001) 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, 5511043 + ... + 7376585.

It is an arithmetic number, because the mean of its divisors is an integer number (809130273084).

Almost surely, 212021212101002 is an apocalyptic number.

12021212101002 is an abundant number, since it is smaller than the sum of its proper divisors (13870956637686).

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

12021212101002 is a wasteful number, since it uses less digits than its factorization.

12021212101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948174.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12021212101002 its reverse (20010121212021), we get a palindrome (32031333313023).

The spelling of 12021212101002 in words is "twelve trillion, twenty-one billion, two hundred twelve million, one hundred one thousand, two".

Divisors: 1 2 3 6 13 26 39 78 82613 165226 247839 495678 1073969 1865543 2147938 3221907 3731086 5596629 6443814 11193258 24252059 48504118 72756177 145512354 154118103859 308236207718 462354311577 924708623154 2003535350167 4007070700334 6010606050501 12021212101002