12254471420 has 96 divisors (see below), whose sum is σ = 29671790400. Its totient is φ = 4219858944.

The previous prime is 12254471417. The next prime is 12254471443. The reversal of 12254471420 is 2417445221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154634 + ... + 220046.

It is an arithmetic number, because the mean of its divisors is an integer number (309081150).

Almost surely, 2^12254471420 is an apocalyptic number.

12254471420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12254471420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14835895200).

12254471420 is an abundant number, since it is smaller than the sum of its proper divisors (17417318980).

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

12254471420 is a wasteful number, since it uses less digits than its factorization.

12254471420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65487 (or 65485 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 12254471420 in words is "twelve billion, two hundred fifty-four million, four hundred seventy-one thousand, four hundred twenty".