612040132 has 12 divisors (see below), whose sum is σ = 1168440336. Its totient is φ = 278200040.

The previous prime is 612040129. The next prime is 612040139. The reversal of 612040132 is 231040216.

It is not an unprimeable number, because it can be changed into a prime (612040139) 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, 6954958 + ... + 6955045.

It is an arithmetic number, because the mean of its divisors is an integer number (97370028).

Almost surely, 2^612040132 is an apocalyptic number.

It is an amenable number.

612040132 is a deficient number, since it is larger than the sum of its proper divisors (556400204).

612040132 is a wasteful number, since it uses less digits than its factorization.

612040132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13910018 (or 13910016 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 612040132 is about 24739.4448603844. Note that the first 3 decimals coincide. The cubic root of 612040132 is about 849.0370326470.

Adding to 612040132 its reverse (231040216), we get a palindrome (843080348).

The spelling of 612040132 in words is "six hundred twelve million, forty thousand, one hundred thirty-two".