12453545214420 has 24 divisors (see below), whose sum is σ = 34869926600544. Its totient is φ = 3320945390496.

The previous prime is 12453545214373. The next prime is 12453545214433. The reversal of 12453545214420 is 2441254535421.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 103779543394 + ... + 103779543513.

It is an arithmetic number, because the mean of its divisors is an integer number (1452913608356).

Almost surely, 2^{12453545214420} is an apocalyptic number.

12453545214420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12453545214420 is an abundant number, since it is smaller than the sum of its proper divisors (22416381386124).

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

12453545214420 is a wasteful number, since it uses less digits than its factorization.

12453545214420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207559086919 (or 207559086917 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 12453545214420 its reverse (2441254535421), we get a palindrome (14894799749841).

The spelling of 12453545214420 in words is "twelve trillion, four hundred fifty-three billion, five hundred forty-five million, two hundred fourteen thousand, four hundred twenty".