12005523354 has 32 divisors (see below), whose sum is σ = 26463923136. Its totient is φ = 3600529920.

The previous prime is 12005523353. The next prime is 12005523379. The reversal of 12005523354 is 45332550021.

It is not an unprimeable number, because it can be changed into a prime (12005523353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931237 + ... + 944040.

It is an arithmetic number, because the mean of its divisors is an integer number (826997598).

Almost surely, 2^12005523354 is an apocalyptic number.

12005523354 is an abundant number, since it is smaller than the sum of its proper divisors (14458399782).

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

12005523354 is a wasteful number, since it uses less digits than its factorization.

12005523354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875390.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 12005523354 in words is "twelve billion, five million, five hundred twenty-three thousand, three hundred fifty-four".