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12200100310021 = 1317253121811171
BaseRepresentation
bin1011000110001000111010…
…1001010010110000000101
31121012022120222010001202211
42301202032221102300011
53044341301134410041
641540352042103421
72366266600412401
oct261421651226005
947168528101684
1012200100310021
113984040629448
121450564aaab71
136a66067306b0
143026b9132101
151625450ab481
hexb188ea52c05

12200100310021 has 16 divisors (see below), whose sum is σ = 13916923651008. Its totient is φ = 10594993939200.

The previous prime is 12200100309977. The next prime is 12200100310037. The reversal of 12200100310021 is 12001300100221.

It is not a de Polignac number, because 12200100310021 - 27 = 12200100309893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200100309983 and 12200100310010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200100310621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10346235 + ... + 11464936.

It is an arithmetic number, because the mean of its divisors is an integer number (869807728188).

Almost surely, 212200100310021 is an apocalyptic number.

It is an amenable number.

12200100310021 is a deficient number, since it is larger than the sum of its proper divisors (1716823340987).

12200100310021 is a wasteful number, since it uses less digits than its factorization.

12200100310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21813732.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12200100310021 its reverse (12001300100221), we get a palindrome (24201400410242).

The spelling of 12200100310021 in words is "twelve trillion, two hundred billion, one hundred million, three hundred ten thousand, twenty-one".

Divisors: 1 13 17 221 2531 32903 43027 559351 21811171 283545223 370789907 4820268791 55204073801 717652959413 938469254617 12200100310021