612218130 has 32 divisors (see below), whose sum is σ = 1519992000. Its totient is φ = 157628352.

The previous prime is 612218129. The next prime is 612218141. The reversal of 612218130 is 31812216.

612218130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×612218130² = 749622077401393800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612218130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350980 + ... + 352719.

It is an arithmetic number, because the mean of its divisors is an integer number (47499750).

Almost surely, 2^612218130 is an apocalyptic number.

612218130 is an abundant number, since it is smaller than the sum of its proper divisors (907773870).

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

612218130 is a wasteful number, since it uses less digits than its factorization.

612218130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703738.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 612218130 is about 24743.0420522619. The cubic root of 612218130 is about 849.1193323948.

The spelling of 612218130 in words is "six hundred twelve million, two hundred eighteen thousand, one hundred thirty".