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12021212011002 = 2316443112184657
BaseRepresentation
bin1010111011101110100000…
…0100100101100111111010
31120120012211221012220120120
42232323220010211213322
53033423420233323002
641322245113034110
72350334561101125
oct256735004454772
946505757186516
1012021212011002
113915192873707
12142195b6b5936
1369279820599c
142d7b88c3d3bc
1515ca7529acbc
hexaeee81259fa

12021212011002 has 16 divisors (see below), whose sum is σ = 24042572211072. Its totient is φ = 4007045972160.

The previous prime is 12021212010971. The next prime is 12021212011013. The reversal of 12021212011002 is 20011021212021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5105743 + ... + 7078914.

It is an arithmetic number, because the mean of its divisors is an integer number (1502660763192).

Almost surely, 212021212011002 is an apocalyptic number.

12021212011002 is an abundant number, since it is smaller than the sum of its proper divisors (12021360200070).

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

12021212011002 is a wasteful number, since it uses less digits than its factorization.

12021212011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12349093.

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

Adding to 12021212011002 its reverse (20011021212021), we get a palindrome (32032233223023).

It can be divided in two parts, 1202121 and 2011002, that added together give a palindrome (3213123).

The spelling of 12021212011002 in words is "twelve trillion, twenty-one billion, two hundred twelve million, eleven thousand, two".

Divisors: 1 2 3 6 164431 328862 493293 986586 12184657 24369314 36553971 73107942 2003535335167 4007070670334 6010606005501 12021212011002