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12021211121002 = 2191072956520197
BaseRepresentation
bin1010111011101110100000…
…0001001100010101101010
31120120012211212112200201121
42232323220001030111222
53033423420021333002
641322245042005454
72350334550403306
oct256735001142552
946505755480647
1012021211121002
113915192315a76
12142195b34688a
13692797c83865
142d7b88a8ad06
1515ca75172237
hexaeee804c56a

12021211121002 has 16 divisors (see below), whose sum is σ = 19158250883040. Its totient is φ = 5641040533968.

The previous prime is 12021211120943. The next prime is 12021211121027. The reversal of 12021211121002 is 20012111212021.

It is a super-2 number, since 2×120212111210022 (a number of 27 digits) contains 22 as substring.

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, 1478256033 + ... + 1478264164.

It is an arithmetic number, because the mean of its divisors is an integer number (1197390680190).

Almost surely, 212021211121002 is an apocalyptic number.

12021211121002 is a deficient number, since it is larger than the sum of its proper divisors (7137039762038).

12021211121002 is a wasteful number, since it uses less digits than its factorization.

12021211121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956520325.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021211121002 its reverse (20012111212021), we get a palindrome (32033322333023).

The spelling of 12021211121002 in words is "twelve trillion, twenty-one billion, two hundred eleven million, one hundred twenty-one thousand, two".

Divisors: 1 2 19 38 107 214 2033 4066 2956520197 5913040394 56173883743 112347767486 316347661079 632695322158 6010605560501 12021211121002