12342252552 has 128 divisors (see below), whose sum is σ = 37507276800. Its totient is φ = 3303871488.

The previous prime is 12342252529. The next prime is 12342252563. The reversal of 12342252552 is 25525224321.

It is a super-3 number, since 3×12342252552³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627199 + ... + 646577.

It is an arithmetic number, because the mean of its divisors is an integer number (293025600).

Almost surely, 2^12342252552 is an apocalyptic number.

12342252552 is a gapful number since it is divisible by the number (12) 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 12342252552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18753638400).

12342252552 is an abundant number, since it is smaller than the sum of its proper divisors (25165024248).

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

12342252552 is a wasteful number, since it uses less digits than its factorization.

12342252552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19635 (or 19631 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

Adding to 12342252552 its reverse (25525224321), we get a palindrome (37867476873).

The spelling of 12342252552 in words is "twelve billion, three hundred forty-two million, two hundred fifty-two thousand, five hundred fifty-two".