1206012343 has 4 divisors (see below), whose sum is σ = 1206087120. Its totient is φ = 1205937568.

The previous prime is 1206012329. The next prime is 1206012371. The reversal of 1206012343 is 3432106021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1206012343 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 (1206012323) by changing a digit.

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, 2083 + ... + 49156.

It is an arithmetic number, because the mean of its divisors is an integer number (301521780).

Almost surely, 2^1206012343 is an apocalyptic number.

1206012343 is a deficient number, since it is larger than the sum of its proper divisors (74777).

1206012343 is an equidigital number, since it uses as much as digits as its factorization.

1206012343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74776.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1206012343 is about 34727.6884200489. The cubic root of 1206012343 is about 1064.4303544770.

Adding to 1206012343 its reverse (3432106021), we get a palindrome (4638118364).

The spelling of 1206012343 in words is "one billion, two hundred six million, twelve thousand, three hundred forty-three".