346040012 has 12 divisors (see below), whose sum is σ = 605722320. Its totient is φ = 172976496.

The previous prime is 346039999. The next prime is 346040017. The reversal of 346040012 is 210040643.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (346040017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12689 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (50476860).

Almost surely, 2^346040012 is an apocalyptic number.

It is an amenable number.

346040012 is a deficient number, since it is larger than the sum of its proper divisors (259682308).

346040012 is a wasteful number, since it uses less digits than its factorization.

346040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760 (or 21758 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 346040012 is about 18602.1507358692. The cubic root of 346040012 is about 702.0619556090.

Adding to 346040012 its reverse (210040643), we get a palindrome (556080655).

The spelling of 346040012 in words is "three hundred forty-six million, forty thousand, twelve".