12403431002442 has 32 divisors (see below), whose sum is σ = 25691493924864. Its totient is φ = 3989516308400.

The previous prime is 12403431002401. The next prime is 12403431002467. The reversal of 12403431002442 is 24420013430421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309725034 + ... + 309765077.

It is an arithmetic number, because the mean of its divisors is an integer number (802859185152).

Almost surely, 2^{12403431002442} is an apocalyptic number.

12403431002442 is an abundant number, since it is smaller than the sum of its proper divisors (13288062922422).

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

12403431002442 is a wasteful number, since it uses less digits than its factorization.

12403431002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619490234.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12403431002442 its reverse (24420013430421), we get a palindrome (36823444432863).

The spelling of 12403431002442 in words is "twelve trillion, four hundred three billion, four hundred thirty-one million, two thousand, four hundred forty-two".