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12200221101021 = 337400727429973
BaseRepresentation
bin1011000110001001010111…
…0110000100101111011101
31121012022220101101212212120
42301202111312010233131
53044342023100213041
641540412035053153
72366302565206632
oct261422566045735
947168811355776
1012200221101021
1139840a2830518
1214505994411b9
136a6625773665
143026cb1b6189
151625509bb366
hexb1895d84bdd

12200221101021 has 16 divisors (see below), whose sum is σ = 16710779040384. Its totient is φ = 7911681683904.

The previous prime is 12200221101001. The next prime is 12200221101053. The reversal of 12200221101021 is 12010112200221.

It is not a de Polignac number, because 12200221101021 - 214 = 12200221084637 is a prime.

It is a super-2 number, since 2×122002211010212 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200221101001) 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 15 ways as a sum of consecutive naturals, for example, 13270210 + ... + 14159763.

It is an arithmetic number, because the mean of its divisors is an integer number (1044423690024).

Almost surely, 212200221101021 is an apocalyptic number.

It is an amenable number.

12200221101021 is a deficient number, since it is larger than the sum of its proper divisors (4510557939363).

12200221101021 is a wasteful number, since it uses less digits than its factorization.

12200221101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27434020.

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

Adding to 12200221101021 its reverse (12010112200221), we get a palindrome (24210333301242).

The spelling of 12200221101021 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred one thousand, twenty-one".

Divisors: 1 3 37 111 4007 12021 148259 444777 27429973 82289919 1014909001 3044727003 109911901811 329735705433 4066740367007 12200221101021