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12200431201 = 78320999021
BaseRepresentation
bin10110101110011001…
…11100111001100001
31011111021021010021021
423113030330321201
5144441302244301
65334345325441
7611223645160
oct132714747141
934437233237
1012200431201
1151a09095a2
122445a96881
1311c584017a
1483a4b33d7
154b61628a1
hex2d733ce61

12200431201 has 8 divisors (see below), whose sum is σ = 14111342784. Its totient is φ = 10331517840.

The previous prime is 12200431181. The next prime is 12200431241. The reversal of 12200431201 is 10213400221.

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

It is not a de Polignac number, because 12200431201 - 25 = 12200431169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12200431241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10498930 + ... + 10500091.

It is an arithmetic number, because the mean of its divisors is an integer number (1763917848).

Almost surely, 212200431201 is an apocalyptic number.

It is an amenable number.

12200431201 is a deficient number, since it is larger than the sum of its proper divisors (1910911583).

12200431201 is an equidigital number, since it uses as much as digits as its factorization.

12200431201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20999111.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12200431201 its reverse (10213400221), we get a palindrome (22413831422).

The spelling of 12200431201 in words is "twelve billion, two hundred million, four hundred thirty-one thousand, two hundred one".

Divisors: 1 7 83 581 20999021 146993147 1742918743 12200431201