1205201012 has 24 divisors (see below), whose sum is σ = 2271800832. Its totient is φ = 557805600.

The previous prime is 1205201003. The next prime is 1205201017. The reversal of 1205201012 is 2101025021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205201017) 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 7 ways as a sum of consecutive naturals, for example, 208439 + ... + 214142.

It is an arithmetic number, because the mean of its divisors is an integer number (94658368).

Almost surely, 2^1205201012 is an apocalyptic number.

It is an amenable number.

1205201012 is a deficient number, since it is larger than the sum of its proper divisors (1066599820).

1205201012 is a wasteful number, since it uses less digits than its factorization.

1205201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422639 (or 422637 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1205201012 is about 34716.0051273184. The cubic root of 1205201012 is about 1064.1916064848.

Adding to 1205201012 its reverse (2101025021), we get a palindrome (3306226033).

The spelling of 1205201012 in words is "one billion, two hundred five million, two hundred one thousand, twelve".