12354121452 has 48 divisors (see below), whose sum is σ = 29844511200. Its totient is φ = 3972810240.

The previous prime is 12354121447. The next prime is 12354121487. The reversal of 12354121452 is 25412145321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434802 + ... + 462342.

It is an arithmetic number, because the mean of its divisors is an integer number (621760650).

Almost surely, 2^12354121452 is an apocalyptic number.

12354121452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12354121452 is an abundant number, since it is smaller than the sum of its proper divisors (17490389748).

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

12354121452 is a wasteful number, since it uses less digits than its factorization.

12354121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28866 (or 28864 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 12354121452 its reverse (25412145321), we get a palindrome (37766266773).

The spelling of 12354121452 in words is "twelve billion, three hundred fifty-four million, one hundred twenty-one thousand, four hundred fifty-two".