612231330 has 16 divisors (see below), whose sum is σ = 1469355264. Its totient is φ = 163261680.

The previous prime is 612231329. The next prime is 612231331. The reversal of 612231330 is 33132216.

612231330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (612231329) and next prime (612231331).

It is a junction number, because it is equal to n+sod(n) for n = 612231297 and 612231306.

It is not an unprimeable number, because it can be changed into a prime (612231331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10203826 + ... + 10203885.

It is an arithmetic number, because the mean of its divisors is an integer number (91834704).

Almost surely, 2^612231330 is an apocalyptic number.

612231330 is an abundant number, since it is smaller than the sum of its proper divisors (857123934).

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

612231330 is a wasteful number, since it uses less digits than its factorization.

612231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20407721.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 612231330 is about 24743.3087924796. The cubic root of 612231330 is about 849.1254349553.

Adding to 612231330 its reverse (33132216), we get a palindrome (645363546).

The spelling of 612231330 in words is "six hundred twelve million, two hundred thirty-one thousand, three hundred thirty".