12452212552 has 64 divisors (see below), whose sum is σ = 26901403200. Its totient is φ = 5355383040.

The previous prime is 12452212543. The next prime is 12452212561. The reversal of 12452212552 is 25521225421.

It is an interprime number because it is at equal distance from previous prime (12452212543) and next prime (12452212561).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68883 + ... + 172189.

It is an arithmetic number, because the mean of its divisors is an integer number (420334425).

Almost surely, 2^12452212552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12452212552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13450701600).

12452212552 is an abundant number, since it is smaller than the sum of its proper divisors (14449190648).

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

12452212552 is a wasteful number, since it uses less digits than its factorization.

12452212552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103406 (or 103402 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

Adding to 12452212552 its reverse (25521225421), we get a palindrome (37973437973).

The spelling of 12452212552 in words is "twelve billion, four hundred fifty-two million, two hundred twelve thousand, five hundred fifty-two".