612040012 has 12 divisors (see below), whose sum is σ = 1108003680. Its totient is φ = 295467536.

The previous prime is 612040003. The next prime is 612040019. The reversal of 612040012 is 210040216.

It is not an unprimeable number, because it can be changed into a prime (612040019) 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, 2637988 + ... + 2638219.

It is an arithmetic number, because the mean of its divisors is an integer number (92333640).

Almost surely, 2^612040012 is an apocalyptic number.

It is an amenable number.

612040012 is a deficient number, since it is larger than the sum of its proper divisors (495963668).

612040012 is a wasteful number, since it uses less digits than its factorization.

612040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276240 (or 5276238 counting only the distinct ones).

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

The square root of 612040012 is about 24739.4424351075. The cubic root of 612040012 is about 849.0369771580.

Adding to 612040012 its reverse (210040216), we get a palindrome (822080228).

The spelling of 612040012 in words is "six hundred twelve million, forty thousand, twelve".