612812130 has 192 divisors, whose sum is σ = 1852709760. Its totient is φ = 128894976.

The previous prime is 612812119. The next prime is 612812159. The reversal of 612812130 is 31218216.

It is a self number, because there is not a number n which added to its sum of digits gives 612812130.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1033114 + ... + 1033706.

It is an arithmetic number, because the mean of its divisors is an integer number (9649530).

Almost surely, 2^612812130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612812130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926354880).

612812130 is an abundant number, since it is smaller than the sum of its proper divisors (1239897630).

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

612812130 is a wasteful number, since it uses less digits than its factorization.

612812130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 666 counting only the distinct ones).

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

The square root of 612812130 is about 24755.0425166268. The cubic root of 612812130 is about 849.3938608262.

The spelling of 612812130 in words is "six hundred twelve million, eight hundred twelve thousand, one hundred thirty".