13142320121003 has 16 divisors (see below), whose sum is σ = 13322872295040. Its totient is φ = 12962699225856.

The previous prime is 13142320120999. The next prime is 13142320121023. The reversal of 13142320121003 is 30012102324131.

It is a cyclic number.

It is not a de Polignac number, because 13142320121003 - 2² = 13142320120999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13142320121003.

It is not an unprimeable number, because it can be changed into a prime (13142320121023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254971808 + ... + 255023346.

It is an arithmetic number, because the mean of its divisors is an integer number (832679518440).

Almost surely, 2^{13142320121003} is an apocalyptic number.

13142320121003 is a deficient number, since it is larger than the sum of its proper divisors (180552174037).

13142320121003 is an equidigital number, since it uses as much as digits as its factorization.

13142320121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60506.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13142320121003 its reverse (30012102324131), we get a palindrome (43154422445134).

The spelling of 13142320121003 in words is "thirteen trillion, one hundred forty-two billion, three hundred twenty million, one hundred twenty-one thousand, three".