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12201221302203 = 324116875824761
BaseRepresentation
bin1011000110001101000101…
…1101100010011110111011
31121012102111002110100221210
42301203101131202132323
53044401100123132303
641541055204534203
72366336431606233
oct261432135423673
947172432410853
1012201221302203
11398456638146a
1214508183b1363
136a6754a5128b
14302783d76cc3
151625ad6dc203
hexb18d17627bb

12201221302203 has 8 divisors (see below), whose sum is σ = 16335798369616. Its totient is φ = 8100395884800.

The previous prime is 12201221302201. The next prime is 12201221302213. The reversal of 12201221302203 is 30220312210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12201221302203 - 21 = 12201221302201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12201221302203.

It is not an unprimeable number, because it can be changed into a prime (12201221302201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8437911658 + ... + 8437913103.

It is an arithmetic number, because the mean of its divisors is an integer number (2041974796202).

Almost surely, 212201221302203 is an apocalyptic number.

12201221302203 is a deficient number, since it is larger than the sum of its proper divisors (4134577067413).

12201221302203 is a wasteful number, since it uses less digits than its factorization.

12201221302203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16875825005.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12201221302203 its reverse (30220312210221), we get a palindrome (42421533512424).

The spelling of 12201221302203 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, three hundred two thousand, two hundred three".

Divisors: 1 3 241 723 16875824761 50627474283 4067073767401 12201221302203