12304022420 has 24 divisors (see below), whose sum is σ = 25843259904. Its totient is φ = 4920692256.

The previous prime is 12304022407. The next prime is 12304022453. The reversal of 12304022420 is 2422040321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12304022392 and 12304022401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58469 + ... + 167411.

It is an arithmetic number, because the mean of its divisors is an integer number (1076802496).

Almost surely, 2^12304022420 is an apocalyptic number.

12304022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12304022420 is an abundant number, since it is smaller than the sum of its proper divisors (13539237484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12304022420 is a wasteful number, since it uses less digits than its factorization.

12304022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114599 (or 114597 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12304022420 its reverse (2422040321), we get a palindrome (14726062741).

The spelling of 12304022420 in words is "twelve billion, three hundred four million, twenty-two thousand, four hundred twenty".