13121220210013 has 8 divisors (see below), whose sum is σ = 13145644759040. Its totient is φ = 13096796292720.

The previous prime is 13121220209957. The next prime is 13121220210121. The reversal of 13121220210013 is 31001202212131.

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

It is a de Polignac number, because none of the positive numbers 2^k-13121220210013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121220210613) 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, 71908948 + ... + 72091186.

It is an arithmetic number, because the mean of its divisors is an integer number (1643205594880).

Almost surely, 2^{13121220210013} is an apocalyptic number.

It is an amenable number.

13121220210013 is a deficient number, since it is larger than the sum of its proper divisors (24424549027).

13121220210013 is a wasteful number, since it uses less digits than its factorization.

13121220210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315867.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13121220210013 its reverse (31001202212131), we get a palindrome (44122422422144).

The spelling of 13121220210013 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twenty million, two hundred ten thousand, thirteen".