12452352116 has 12 divisors (see below), whose sum is σ = 21803020932. Its totient is φ = 6222917568.

The previous prime is 12452352041. The next prime is 12452352131. The reversal of 12452352116 is 61125325421.

It can be written as a sum of positive squares in 2 ways, for example, as 7530768400 + 4921583716 = 86780^2 + 70154^2 .

It is a super-2 number, since 2×12452352116² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806015 + ... + 821318.

It is an arithmetic number, because the mean of its divisors is an integer number (1816918411).

Almost surely, 2^12452352116 is an apocalyptic number.

It is an amenable number.

12452352116 is a deficient number, since it is larger than the sum of its proper divisors (9350668816).

12452352116 is a wasteful number, since it uses less digits than its factorization.

12452352116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629250 (or 1629248 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 12452352116 its reverse (61125325421), we get a palindrome (73577677537).

The spelling of 12452352116 in words is "twelve billion, four hundred fifty-two million, three hundred fifty-two thousand, one hundred sixteen".