1312201430 has 8 divisors (see below), whose sum is σ = 2361962592. Its totient is φ = 524880568.

The previous prime is 1312201361. The next prime is 1312201441. The reversal of 1312201430 is 341022131.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312201399 and 1312201408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65610062 + ... + 65610081.

It is an arithmetic number, because the mean of its divisors is an integer number (295245324).

Almost surely, 2^1312201430 is an apocalyptic number.

1312201430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312201430 is a deficient number, since it is larger than the sum of its proper divisors (1049761162).

1312201430 is a wasteful number, since it uses less digits than its factorization.

1312201430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131220150.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312201430 is about 36224.3209736221. The cubic root of 1312201430 is about 1094.7967568962.

Adding to 1312201430 its reverse (341022131), we get a palindrome (1653223561).

The spelling of 1312201430 in words is "one billion, three hundred twelve million, two hundred one thousand, four hundred thirty".