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12201002122103 = 29420724211107
BaseRepresentation
bin1011000110001100010001…
…1001011011101101110111
31121012101220211000212101022
42301203010121123231313
53044400123020401403
641541021335051355
72366331130606214
oct261430431335567
947171824025338
1012201002122103
113984463689193
121450776b10b5b
136a671b50cb02
14302762c00b0b
15162599344d38
hexb18c465bb77

12201002122103 has 4 divisors (see below), whose sum is σ = 12621726333240. Its totient is φ = 11780277910968.

The previous prime is 12201002122093. The next prime is 12201002122171. The reversal of 12201002122103 is 30122120010221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12201002122103 - 26 = 12201002122039 is a prime.

It is a super-2 number, since 2×122010021221032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201002122193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210362105525 + ... + 210362105582.

It is an arithmetic number, because the mean of its divisors is an integer number (3155431583310).

Almost surely, 212201002122103 is an apocalyptic number.

12201002122103 is a deficient number, since it is larger than the sum of its proper divisors (420724211137).

12201002122103 is an equidigital number, since it uses as much as digits as its factorization.

12201002122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420724211136.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12201002122103 its reverse (30122120010221), we get a palindrome (42323122132324).

The spelling of 12201002122103 in words is "twelve trillion, two hundred one billion, two million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 29 420724211107 12201002122103