1242401012 has 12 divisors (see below), whose sum is σ = 2244337536. Its totient is φ = 601161720.

The previous prime is 1242401011. The next prime is 1242401029. The reversal of 1242401012 is 2101042421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242401011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009558 + ... + 5009805.

It is an arithmetic number, because the mean of its divisors is an integer number (187028128).

Almost surely, 2^1242401012 is an apocalyptic number.

It is an amenable number.

1242401012 is a deficient number, since it is larger than the sum of its proper divisors (1001936524).

1242401012 is a wasteful number, since it uses less digits than its factorization.

1242401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019398 (or 10019396 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1242401012 is about 35247.7093156421. The cubic root of 1242401012 is about 1075.0300368748.

Adding to 1242401012 its reverse (2101042421), we get a palindrome (3343443433).

The spelling of 1242401012 in words is "one billion, two hundred forty-two million, four hundred one thousand, twelve".