12454215252 has 24 divisors (see below), whose sum is σ = 29074619616. Its totient is φ = 4149293088.

The previous prime is 12454215217. The next prime is 12454215253. The reversal of 12454215252 is 25251245421.

12454215252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454215253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 239338 + ... + 286689.

It is an arithmetic number, because the mean of its divisors is an integer number (1211442484).

Almost surely, 2^12454215252 is an apocalyptic number.

12454215252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12454215252 is an abundant number, since it is smaller than the sum of its proper divisors (16620404364).

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

12454215252 is a wasteful number, since it uses less digits than its factorization.

12454215252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528007 (or 528005 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The spelling of 12454215252 in words is "twelve billion, four hundred fifty-four million, two hundred fifteen thousand, two hundred fifty-two".