612373212 has 72 divisors (see below), whose sum is σ = 1729898352. Its totient is φ = 181036800.

The previous prime is 612373189. The next prime is 612373219. The reversal of 612373212 is 212373216.

612373212 is a `hidden beast` number, since 612 + 3 + 7 + 32 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612373219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2623 + ... + 35094.

It is an arithmetic number, because the mean of its divisors is an integer number (24026366).

Almost surely, 2^612373212 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 612373212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864949176).

612373212 is an abundant number, since it is smaller than the sum of its proper divisors (1117525140).

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

612373212 is a wasteful number, since it uses less digits than its factorization.

612373212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37779 (or 37774 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 612373212 is about 24746.1757045407. The cubic root of 612373212 is about 849.1910236218.

The spelling of 612373212 in words is "six hundred twelve million, three hundred seventy-three thousand, two hundred twelve".