12454233245421 has 64 divisors (see below), whose sum is σ = 19543202076672. Its totient is φ = 6970763520000.

The previous prime is 12454233245413. The next prime is 12454233245459.

12454233245421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12454233245421 - 2³ = 12454233245413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454233255421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7663401 + ... + 9145281.

It is an arithmetic number, because the mean of its divisors is an integer number (305362532448).

Almost surely, 2^{12454233245421} is an apocalyptic number.

12454233245421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12454233245421 is a deficient number, since it is larger than the sum of its proper divisors (7088968831251).

12454233245421 is a wasteful number, since it uses less digits than its factorization.

12454233245421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482194.

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

The spelling of 12454233245421 in words is "twelve trillion, four hundred fifty-four billion, two hundred thirty-three million, two hundred forty-five thousand, four hundred twenty-one".