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12200331301 = 23530449187
BaseRepresentation
bin10110101110011001…
…00100100000100101
31011111021002001020021
423113030210200211
5144441241100201
65334343235141
7611223051004
oct132714444045
934437061207
1012200331301
1151a0850534
122445a48ab1
1311c5806862
1483a488c3b
154b6142ea1
hex2d7324825

12200331301 has 4 divisors (see below), whose sum is σ = 12730780512. Its totient is φ = 11669882092.

The previous prime is 12200331293. The next prime is 12200331373. The reversal of 12200331301 is 10313300221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10313300221 = 71473328603.

It is a cyclic number.

It is not a de Polignac number, because 12200331301 - 23 = 12200331293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200337301) 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, 265224571 + ... + 265224616.

It is an arithmetic number, because the mean of its divisors is an integer number (3182695128).

Almost surely, 212200331301 is an apocalyptic number.

It is an amenable number.

12200331301 is a deficient number, since it is larger than the sum of its proper divisors (530449211).

12200331301 is an equidigital number, since it uses as much as digits as its factorization.

12200331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530449210.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12200331301 its reverse (10313300221), we get a palindrome (22513631522).

The spelling of 12200331301 in words is "twelve billion, two hundred million, three hundred thirty-one thousand, three hundred one".

Divisors: 1 23 530449187 12200331301