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12200300311 = 191025962591
BaseRepresentation
bin10110101110011000…
…11100111100010111
31011111021000110201111
423113030130330113
5144441234102221
65334342435451
7611222561443
oct132714347427
934437013644
1012200300311
1151a082a221
122445a32b87
1311c57c5714
1483a47b823
154b6138be1
hex2d731cf17

12200300311 has 8 divisors (see below), whose sum is σ = 12843878400. Its totient is φ = 11556867960.

The previous prime is 12200300249. The next prime is 12200300381. The reversal of 12200300311 is 11300300221.

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

It is a cyclic number.

It is not a de Polignac number, because 12200300311 - 215 = 12200267543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12200300291 and 12200300300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200300381) 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, 163626 + ... + 226216.

It is an arithmetic number, because the mean of its divisors is an integer number (1605484800).

Almost surely, 212200300311 is an apocalyptic number.

12200300311 is a deficient number, since it is larger than the sum of its proper divisors (643578089).

12200300311 is a wasteful number, since it uses less digits than its factorization.

12200300311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72869.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12200300311 its reverse (11300300221), we get a palindrome (23500600532).

The spelling of 12200300311 in words is "twelve billion, two hundred million, three hundred thousand, three hundred eleven".

Divisors: 1 19 10259 62591 194921 1189229 642121069 12200300311