302404012421 has 4 divisors (see below), whose sum is σ = 345604585632. Its totient is φ = 259203439212.

The previous prime is 302404012409. The next prime is 302404012459. The reversal of 302404012421 is 124210404203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124210404203 = 617 ⋅201313459.

It is a cyclic number.

It is not a de Polignac number, because 302404012421 - 2⁶ = 302404012357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302404012481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21600286595 + ... + 21600286608.

It is an arithmetic number, because the mean of its divisors is an integer number (86401146408).

Almost surely, 2^302404012421 is an apocalyptic number.

It is an amenable number.

302404012421 is a deficient number, since it is larger than the sum of its proper divisors (43200573211).

302404012421 is an equidigital number, since it uses as much as digits as its factorization.

302404012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43200573210.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 302404012421 its reverse (124210404203), we get a palindrome (426614416624).

The spelling of 302404012421 in words is "three hundred two billion, four hundred four million, twelve thousand, four hundred twenty-one".