12435053421 has 8 divisors (see below), whose sum is σ = 18948652864. Its totient is φ = 7105744800.

The previous prime is 12435053413. The next prime is 12435053429.

12435053421 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (12435053413) and next prime (12435053429).

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

It is not a de Polignac number, because 12435053421 - 2³ = 12435053413 is a prime.

It is a super-5 number, since 5×12435053421⁵ (a number of 52 digits) contains 55555 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 (12435053429) 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, 296072680 + ... + 296072721.

It is an arithmetic number, because the mean of its divisors is an integer number (2368581608).

Almost surely, 2^12435053421 is an apocalyptic number.

It is an amenable number.

12435053421 is a deficient number, since it is larger than the sum of its proper divisors (6513599443).

12435053421 is an equidigital number, since it uses as much as digits as its factorization.

12435053421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592145411.

The product of its (nonzero) digits is 14400, while the sum is 30.

It can be divided in two parts, 124350 and 53421, that added together give a palindrome (177771).

The spelling of 12435053421 in words is "twelve billion, four hundred thirty-five million, fifty-three thousand, four hundred twenty-one".