425223500221312 has 64 divisors (see below), whose sum is σ = 912296178360000. Its totient is φ = 196255326541824.

The previous prime is 425223500221301. The next prime is 425223500221319. The reversal of 425223500221312 is 213122005322524.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425223500221319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205919314 + ... + 207974062.

It is an arithmetic number, because the mean of its divisors is an integer number (14254627786875).

Almost surely, 2^{425223500221312} is an apocalyptic number.

It is an amenable number.

425223500221312 is an abundant number, since it is smaller than the sum of its proper divisors (487072678138688).

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

425223500221312 is a wasteful number, since it uses less digits than its factorization.

425223500221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179143 (or 2179131 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 425223500221312 its reverse (213122005322524), we get a palindrome (638345505543836).

The spelling of 425223500221312 in words is "four hundred twenty-five trillion, two hundred twenty-three billion, five hundred million, two hundred twenty-one thousand, three hundred twelve".