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12200020222021 = 231814379366919
BaseRepresentation
bin1011000110001000100111…
…0111110010000001000101
31121012022101101102011200121
42301202021313302001011
53044341120134101041
641540340101341541
72366264605601602
oct261421167620105
947168341364617
1012200020222021
113983aaa3a8115
1214505421078b1
136a65c2c6c248
143026ac6456a9
1516253d03b7d1
hexb1889df2045

12200020222021 has 16 divisors (see below), whose sum is σ = 12801273488640. Its totient is φ = 11604673301760.

The previous prime is 12200020221997. The next prime is 12200020222037. The reversal of 12200020222021 is 12022202000221.

It is not a de Polignac number, because 12200020222021 - 217 = 12200020090949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200020221986 and 12200020222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200020262021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182276800 + ... + 182343718.

It is an arithmetic number, because the mean of its divisors is an integer number (800079593040).

Almost surely, 212200020222021 is an apocalyptic number.

It is an amenable number.

12200020222021 is a deficient number, since it is larger than the sum of its proper divisors (601253266619).

12200020222021 is a wasteful number, since it uses less digits than its factorization.

12200020222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110916.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12200020222021 its reverse (12022202000221), we get a palindrome (24222222222242).

The spelling of 12200020222021 in words is "twelve trillion, two hundred billion, twenty million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 23 181 4163 43793 66919 1007239 1539137 7926533 12112339 182310259 278583797 2930583767 67403426641 530435661827 12200020222021