612248812 has 72 divisors (see below), whose sum is σ = 1346133600. Its totient is φ = 238350336.

The previous prime is 612248809. The next prime is 612248821. The reversal of 612248812 is 218842216.

It is a super-2 number, since 2×612248812² = 749697215590822688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233364 + ... + 235972.

It is an arithmetic number, because the mean of its divisors is an integer number (18696300).

Almost surely, 2^612248812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612248812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673066800).

612248812 is an abundant number, since it is smaller than the sum of its proper divisors (733884788).

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

612248812 is a wasteful number, since it uses less digits than its factorization.

612248812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683 (or 2664 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 612248812 is about 24743.6620571814. The cubic root of 612248812 is about 849.1335170145.

The spelling of 612248812 in words is "six hundred twelve million, two hundred forty-eight thousand, eight hundred twelve".