12434530535421 has 8 divisors (see below), whose sum is σ = 16605238907904. Its totient is φ = 8276754593280.

The previous prime is 12434530535389. The next prime is 12434530535443. The reversal of 12434530535421 is 12453503543421.

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

It is not a de Polignac number, because 12434530535421 - 2⁵ = 12434530535389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434530533421) 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, 3233105341 + ... + 3233109186.

It is an arithmetic number, because the mean of its divisors is an integer number (2075654863488).

Almost surely, 2^{12434530535421} is an apocalyptic number.

It is an amenable number.

12434530535421 is a deficient number, since it is larger than the sum of its proper divisors (4170708372483).

12434530535421 is an equidigital number, since it uses as much as digits as its factorization.

12434530535421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466215171.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 12434530535421 in words is "twelve trillion, four hundred thirty-four billion, five hundred thirty million, five hundred thirty-five thousand, four hundred twenty-one".