12452433425421 has 16 divisors (see below), whose sum is σ = 18737203901760. Its totient is φ = 7286690405120.

The previous prime is 12452433425407. The next prime is 12452433425429.

12452433425421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12452433425421 - 2⁷ = 12452433425293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452433425429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6505972620 + ... + 6505974533.

It is an arithmetic number, because the mean of its divisors is an integer number (1171075243860).

Almost surely, 2^{12452433425421} is an apocalyptic number.

12452433425421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12452433425421 is a deficient number, since it is larger than the sum of its proper divisors (6284770476339).

12452433425421 is a wasteful number, since it uses less digits than its factorization.

12452433425421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13011947196.

The product of its digits is 921600, while the sum is 42.

The spelling of 12452433425421 in words is "twelve trillion, four hundred fifty-two billion, four hundred thirty-three million, four hundred twenty-five thousand, four hundred twenty-one".