12254013420 has 96 divisors (see below), whose sum is σ = 37480423680. Its totient is φ = 2966703360.

The previous prime is 12254013413. The next prime is 12254013427. The reversal of 12254013420 is 2431045221.

It is an interprime number because it is at equal distance from previous prime (12254013413) and next prime (12254013427).

It is not an unprimeable number, because it can be changed into a prime (12254013427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498171 + ... + 522189.

It is an arithmetic number, because the mean of its divisors is an integer number (390421080).

Almost surely, 2^12254013420 is an apocalyptic number.

12254013420 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 12254013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18740211840).

12254013420 is an abundant number, since it is smaller than the sum of its proper divisors (25226410260).

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

12254013420 is a wasteful number, since it uses less digits than its factorization.

12254013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24815 (or 24813 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12254013420 its reverse (2431045221), we get a palindrome (14685058641).

The spelling of 12254013420 in words is "twelve billion, two hundred fifty-four million, thirteen thousand, four hundred twenty".