13212403012342 has 32 divisors (see below), whose sum is σ = 19891990419840. Its totient is φ = 6581791518720.

The previous prime is 13212403012321. The next prime is 13212403012343. The reversal of 13212403012342 is 24321030421231.

It is a self number, because there is not a number n which added to its sum of digits gives 13212403012342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212403012343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622026259 + ... + 2622031297.

It is an arithmetic number, because the mean of its divisors is an integer number (621624700620).

Almost surely, 2^{13212403012342} is an apocalyptic number.

13212403012342 is a deficient number, since it is larger than the sum of its proper divisors (6679587407498).

13212403012342 is a wasteful number, since it uses less digits than its factorization.

13212403012342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13212403012342 its reverse (24321030421231), we get a palindrome (37533433433573).

The spelling of 13212403012342 in words is "thirteen trillion, two hundred twelve billion, four hundred three million, twelve thousand, three hundred forty-two".