12012523454 has 8 divisors (see below), whose sum is σ = 18314175288. Its totient is φ = 5907798360.

The previous prime is 12012523427. The next prime is 12012523477. The reversal of 12012523454 is 45432521021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49231532 + ... + 49231775.

It is an arithmetic number, because the mean of its divisors is an integer number (2289271911).

Almost surely, 2^12012523454 is an apocalyptic number.

12012523454 is a deficient number, since it is larger than the sum of its proper divisors (6301651834).

12012523454 is an equidigital number, since it uses as much as digits as its factorization.

12012523454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98463370.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 12012523454 in words is "twelve billion, twelve million, five hundred twenty-three thousand, four hundred fifty-four".