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3212021220021 = 322419191475251
BaseRepresentation
bin101110101111011011011…
…000100100001010110101
3102101001210021121012200200
4232233123120210022311
5410111204413020041
610455325430031113
7451026610614555
oct56573330441265
912331707535620
103212021220021
111029235272459
1243a6174a8499
131a3b7a503403
14b166975b165
155884322b1b6
hex2ebdb6242b5

3212021220021 has 12 divisors (see below), whose sum is σ = 4639608529920. Its totient is φ = 2141337177000.

The previous prime is 3212021220013. The next prime is 3212021220061. The reversal of 3212021220021 is 1200221202123.

3212021220021 is a `hidden beast` number, since 321 + 202 + 122 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 3212021220021 - 23 = 3212021220013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3212021219976 and 3212021220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212021220061) 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 11 ways as a sum of consecutive naturals, for example, 1439646 + ... + 2914896.

It is an arithmetic number, because the mean of its divisors is an integer number (386634044160).

Almost surely, 23212021220021 is an apocalyptic number.

It is an amenable number.

3212021220021 is a deficient number, since it is larger than the sum of its proper divisors (1427587309899).

3212021220021 is a wasteful number, since it uses less digits than its factorization.

3212021220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717176 (or 1717173 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3212021220021 its reverse (1200221202123), we get a palindrome (4412242422144).

The spelling of 3212021220021 in words is "three trillion, two hundred twelve billion, twenty-one million, two hundred twenty thousand, twenty-one".

Divisors: 1 3 9 241919 725757 1475251 2177271 4425753 13277259 356891246669 1070673740007 3212021220021