612341552312 has 128 divisors (see below), whose sum is σ = 1337394240000. Its totient is φ = 257437764096.

The previous prime is 612341552309. The next prime is 612341552323. The reversal of 612341552312 is 213255143216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486370739 + ... + 486371997.

It is an arithmetic number, because the mean of its divisors is an integer number (10448392500).

Almost surely, 2^612341552312 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 612341552312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668697120000).

612341552312 is an abundant number, since it is smaller than the sum of its proper divisors (725052687688).

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

612341552312 is a wasteful number, since it uses less digits than its factorization.

612341552312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2009 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Adding to 612341552312 its reverse (213255143216), we get a palindrome (825596695528).

The spelling of 612341552312 in words is "six hundred twelve billion, three hundred forty-one million, five hundred fifty-two thousand, three hundred twelve".