12420324241242 has 16 divisors (see below), whose sum is σ = 24840781253760. Its totient is φ = 4140085951872.

The previous prime is 12420324241163. The next prime is 12420324241243. The reversal of 12420324241242 is 24214242302421.

It is not an unprimeable number, because it can be changed into a prime (12420324241243) 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, 4294738 + ... + 6579165.

It is an arithmetic number, because the mean of its divisors is an integer number (1552548828360).

Almost surely, 2^{12420324241242} is an apocalyptic number.

12420324241242 is an abundant number, since it is smaller than the sum of its proper divisors (12420457012518).

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

12420324241242 is a wasteful number, since it uses less digits than its factorization.

12420324241242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064277.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 12420324241242 its reverse (24214242302421), we get a palindrome (36634566543663).

The spelling of 12420324241242 in words is "twelve trillion, four hundred twenty billion, three hundred twenty-four million, two hundred forty-one thousand, two hundred forty-two".