612240412 has 24 divisors (see below), whose sum is σ = 1225917056. Its totient is φ = 262081008.

The previous prime is 612240403. The next prime is 612240451. The reversal of 612240412 is 214042216.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12343 + ... + 37105.

Almost surely, 2^612240412 is an apocalyptic number.

It is an amenable number.

612240412 is an abundant number, since it is smaller than the sum of its proper divisors (613676644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612240412 is a wasteful number, since it uses less digits than its factorization.

612240412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25657 (or 25655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 612240412 is about 24743.4923161626. The cubic root of 612240412 is about 849.1296336510.

Adding to 612240412 its reverse (214042216), we get a palindrome (826282628).

The spelling of 612240412 in words is "six hundred twelve million, two hundred forty thousand, four hundred twelve".