12252552321064 has 48 divisors (see below), whose sum is σ = 25259559130260. Its totient is φ = 5567653344000.

The previous prime is 12252552321049. The next prime is 12252552321071. The reversal of 12252552321064 is 46012325525221.

It can be written as a sum of positive squares in 2 ways, for example, as 11762773496100 + 489778824964 = 3429690^2 + 699842^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1278132 + ... + 5112604.

Almost surely, 2^{12252552321064} is an apocalyptic number.

It is an amenable number.

12252552321064 is an abundant number, since it is smaller than the sum of its proper divisors (13007006809196).

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

12252552321064 is a wasteful number, since it uses less digits than its factorization.

12252552321064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837802 (or 3837787 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 12252552321064 its reverse (46012325525221), we get a palindrome (58264877846285).

The spelling of 12252552321064 in words is "twelve trillion, two hundred fifty-two billion, five hundred fifty-two million, three hundred twenty-one thousand, sixty-four".