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12021212210002 = 2191257122448023
BaseRepresentation
bin1010111011101110100000…
…0101010110001101010010
31120120012211221121000112221
42232323220011112031102
53033423420311210002
641322245121211254
72350334562560242
oct256735005261522
946505757530487
1012021212210002
11391519299a176
12142195b790b2a
13692798275438
142d7b88c91b22
1515ca752d9c37
hexaeee8156352

12021212210002 has 16 divisors (see below), whose sum is σ = 18196755950592. Its totient is φ = 5955871790080.

The previous prime is 12021212209957. The next prime is 12021212210039. The reversal of 12021212210002 is 20001221212021.

It is a happy number.

12021212210002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 61125838 + ... + 61322185.

It is an arithmetic number, because the mean of its divisors is an integer number (1137297246912).

Almost surely, 212021212210002 is an apocalyptic number.

12021212210002 is a deficient number, since it is larger than the sum of its proper divisors (6175543740590).

12021212210002 is a wasteful number, since it uses less digits than its factorization.

12021212210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122448473.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021212210002 its reverse (20001221212021), we get a palindrome (32022433422023).

The spelling of 12021212210002 in words is "twelve trillion, twenty-one billion, two hundred twelve million, two hundred ten thousand, two".

Divisors: 1 2 191 257 382 514 49087 98174 122448023 244896046 23387572393 31469141911 46775144786 62938283822 6010606105001 12021212210002