12238430554 has 16 divisors (see below), whose sum is σ = 21140323776. Its totient is φ = 5205002400.

The previous prime is 12238430551. The next prime is 12238430569. The reversal of 12238430554 is 45503483221.

It is not an unprimeable number, because it can be changed into a prime (12238430551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3334707 + ... + 3338374.

It is an arithmetic number, because the mean of its divisors is an integer number (1321270236).

Almost surely, 2^12238430554 is an apocalyptic number.

12238430554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12238430554 is a deficient number, since it is larger than the sum of its proper divisors (8901893222).

12238430554 is a wasteful number, since it uses less digits than its factorization.

12238430554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673221.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 12238430554 in words is "twelve billion, two hundred thirty-eight million, four hundred thirty thousand, five hundred fifty-four".