12012444354 has 16 divisors (see below), whose sum is σ = 24039355392. Its totient is φ = 4001737008.

The previous prime is 12012444317. The next prime is 12012444359. The reversal of 12012444354 is 45344421021.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12012444359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591969 + ... + 611924.

It is an arithmetic number, because the mean of its divisors is an integer number (1502459712).

Almost surely, 2^12012444354 is an apocalyptic number.

12012444354 is an abundant number, since it is smaller than the sum of its proper divisors (12026911038).

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

12012444354 is a wasteful number, since it uses less digits than its factorization.

12012444354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205561.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 12012444354 its reverse (45344421021), we get a palindrome (57356865375).

The spelling of 12012444354 in words is "twelve billion, twelve million, four hundred forty-four thousand, three hundred fifty-four".