612325030144 has 27 divisors (see below), whose sum is σ = 1222283157627. Its totient is φ = 306156254976.

The previous prime is 612325030133. The next prime is 612325030147. The reversal of 612325030144 is 441030523216.

The square root of 612325030144 is 782512.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612325030147) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12495739 + ... + 12544645.

Almost surely, 2^612325030144 is an apocalyptic number.

612325030144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

612325030144 is the 782512-nd square number.

It is an amenable number.

612325030144 is a deficient number, since it is larger than the sum of its proper divisors (609958127483).

612325030144 is an frugal number, since it uses more digits than its factorization.

612325030144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97830 (or 48909 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 612325030144 in words is "six hundred twelve billion, three hundred twenty-five million, thirty thousand, one hundred forty-four".