12254324420 has 24 divisors (see below), whose sum is σ = 27713626584. Its totient is φ = 4524673536.

The previous prime is 12254324413. The next prime is 12254324431. The reversal of 12254324420 is 2442345221.

It can be written as a sum of positive squares in 4 ways, for example, as 129231424 + 12125092996 = 11368^2 + 110114^2 .

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, 23565749 + ... + 23566268.

It is an arithmetic number, because the mean of its divisors is an integer number (1154734441).

Almost surely, 2^12254324420 is an apocalyptic number.

12254324420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12254324420 is an abundant number, since it is smaller than the sum of its proper divisors (15459302164).

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

12254324420 is a wasteful number, since it uses less digits than its factorization.

12254324420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47132039 (or 47132037 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 12254324420 its reverse (2442345221), we get a palindrome (14696669641).

The spelling of 12254324420 in words is "twelve billion, two hundred fifty-four million, three hundred twenty-four thousand, four hundred twenty".