330012421 has 4 divisors (see below), whose sum is σ = 332611072. Its totient is φ = 327413772.

The previous prime is 330012383. The next prime is 330012457. The reversal of 330012421 is 124210033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 330012421 - 2²⁷ = 195794693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330012395 and 330012404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330015421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299135 + ... + 1299388.

It is an arithmetic number, because the mean of its divisors is an integer number (83152768).

Almost surely, 2^330012421 is an apocalyptic number.

It is an amenable number.

330012421 is a deficient number, since it is larger than the sum of its proper divisors (2598651).

330012421 is a wasteful number, since it uses less digits than its factorization.

330012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598650.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 330012421 is about 18166.2439981412. The cubic root of 330012421 is about 691.0509930304.

Adding to 330012421 its reverse (124210033), we get a palindrome (454222454).

The spelling of 330012421 in words is "three hundred thirty million, twelve thousand, four hundred twenty-one".