12390241242 has 64 divisors (see below), whose sum is σ = 25937049600. Its totient is φ = 3940876800.

The previous prime is 12390241207. The next prime is 12390241273. The reversal of 12390241242 is 24214209321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11398023 + ... + 11399109.

It is an arithmetic number, because the mean of its divisors is an integer number (405266400).

Almost surely, 2^12390241242 is an apocalyptic number.

12390241242 is an abundant number, since it is smaller than the sum of its proper divisors (13546808358).

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

12390241242 is a wasteful number, since it uses less digits than its factorization.

12390241242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 12390241242 in words is "twelve billion, three hundred ninety million, two hundred forty-one thousand, two hundred forty-two".