12162570251552 has 24 divisors (see below), whose sum is σ = 27365783066496. Its totient is φ = 5212530107712.

The previous prime is 12162570251551. The next prime is 12162570251593. The reversal of 12162570251552 is 25515207526121.

It is not an unprimeable number, because it can be changed into a prime (12162570251551) 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 3 ways as a sum of consecutive naturals, for example, 27148594088 + ... + 27148594535.

It is an arithmetic number, because the mean of its divisors is an integer number (1140240961104).

Almost surely, 2^{12162570251552} is an apocalyptic number.

It is an amenable number.

12162570251552 is an abundant number, since it is smaller than the sum of its proper divisors (15203212814944).

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

12162570251552 is an equidigital number, since it uses as much as digits as its factorization.

12162570251552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54297188640 (or 54297188632 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 44.

Adding to 12162570251552 its reverse (25515207526121), we get a palindrome (37677777777673).

The spelling of 12162570251552 in words is "twelve trillion, one hundred sixty-two billion, five hundred seventy million, two hundred fifty-one thousand, five hundred fifty-two".