12105625542 has 8 divisors (see below), whose sum is σ = 24211251096. Its totient is φ = 4035208512.

The previous prime is 12105625531. The next prime is 12105625549. The reversal of 12105625542 is 24552650121.

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

12105625542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105625549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008802123 + ... + 1008802134.

It is an arithmetic number, because the mean of its divisors is an integer number (3026406387).

Almost surely, 2^12105625542 is an apocalyptic number.

12105625542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12105625542 is a wasteful number, since it uses less digits than its factorization.

12105625542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017604262.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 12105625542 in words is "twelve billion, one hundred five million, six hundred twenty-five thousand, five hundred forty-two".