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12201104351 = 41297587911
BaseRepresentation
bin10110101110011111…
…00001001111011111
31011111022112022122202
423113033201033133
5144441440314401
65334412002115
7611232450542
oct132717411737
934438468582
1012201104351
1151a1229317
12244616033b
1311c5a17697
1483a60a859
154b624706b
hex2d73e13df

12201104351 has 4 divisors (see below), whose sum is σ = 12498692304. Its totient is φ = 11903516400.

The previous prime is 12201104327. The next prime is 12201104387. The reversal of 12201104351 is 15340110221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12201104351 is a prime.

It is a super-2 number, since 2×122011043512 (a number of 21 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 (12201164351) 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, 148793915 + ... + 148793996.

It is an arithmetic number, because the mean of its divisors is an integer number (3124673076).

Almost surely, 212201104351 is an apocalyptic number.

12201104351 is a deficient number, since it is larger than the sum of its proper divisors (297587953).

12201104351 is an equidigital number, since it uses as much as digits as its factorization.

12201104351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297587952.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12201104351 its reverse (15340110221), we get a palindrome (27541214572).

The spelling of 12201104351 in words is "twelve billion, two hundred one million, one hundred four thousand, three hundred fifty-one".

Divisors: 1 41 297587911 12201104351