612122250240 has 792 divisors, whose sum is σ = 2290706387424. Its totient is φ = 150847488000.

The previous prime is 612122250199. The next prime is 612122250251. The reversal of 612122250240 is 42052221216.

612122250240 is a `hidden beast` number, since 612 + 1 + 2 + 2 + 2 + 5 + 0 + 2 + 40 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1018505940 + ... + 1018506540.

Almost surely, 2^612122250240 is an apocalyptic number.

612122250240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612122250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145353193712).

612122250240 is an abundant number, since it is smaller than the sum of its proper divisors (1678584137184).

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

612122250240 is a wasteful number, since it uses less digits than its factorization.

612122250240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 612122250240 its reverse (42052221216), we get a palindrome (654174471456).

The spelling of 612122250240 in words is "six hundred twelve billion, one hundred twenty-two million, two hundred fifty thousand, two hundred forty".