13121333210042 has 8 divisors (see below), whose sum is σ = 19735629243456. Its totient is φ = 6542790128892.

The previous prime is 13121333210039. The next prime is 13121333210101. The reversal of 13121333210042 is 24001233312131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13121333209993 and 13121333210020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8938237148 + ... + 8938238615.

It is an arithmetic number, because the mean of its divisors is an integer number (2466953655432).

Almost surely, 2^{13121333210042} is an apocalyptic number.

13121333210042 is a deficient number, since it is larger than the sum of its proper divisors (6614296033414).

13121333210042 is a wasteful number, since it uses less digits than its factorization.

13121333210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17876476132.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13121333210042 its reverse (24001233312131), we get a palindrome (37122566522173).

The spelling of 13121333210042 in words is "thirteen trillion, one hundred twenty-one billion, three hundred thirty-three million, two hundred ten thousand, forty-two".