12454333345421 has 8 divisors (see below), whose sum is σ = 13594495485600. Its totient is φ = 11315496208240.

The previous prime is 12454333345397. The next prime is 12454333345451.

12454333345421 is nontrivially palindromic in base 10.

12454333345421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12454333345421 is a prime.

It is a super-2 number, since 2×12454333345421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454333345451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331231091 + ... + 331268688.

It is an arithmetic number, because the mean of its divisors is an integer number (1699311935700).

Almost surely, 2^{12454333345421} is an apocalyptic number.

12454333345421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12454333345421 is a deficient number, since it is larger than the sum of its proper divisors (1140162140179).

12454333345421 is a wasteful number, since it uses less digits than its factorization.

12454333345421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662501499.

The product of its digits is 2073600, while the sum is 44.

The spelling of 12454333345421 in words is "twelve trillion, four hundred fifty-four billion, three hundred thirty-three million, three hundred forty-five thousand, four hundred twenty-one".