13121201232103 has 8 divisors (see below), whose sum is σ = 13302740084400. Its totient is φ = 12940420371648.

The previous prime is 13121201232077. The next prime is 13121201232107. The reversal of 13121201232103 is 30123210212131.

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

It is a cyclic number.

It is not a de Polignac number, because 13121201232103 - 2²¹ = 13121199134951 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 (13121201232107) 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, 189463101 + ... + 189532342.

It is an arithmetic number, because the mean of its divisors is an integer number (1662842510550).

Almost surely, 2^{13121201232103} is an apocalyptic number.

13121201232103 is a deficient number, since it is larger than the sum of its proper divisors (181538852297).

13121201232103 is an equidigital number, since it uses as much as digits as its factorization.

13121201232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378995921.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13121201232103 its reverse (30123210212131), we get a palindrome (43244411444234).

The spelling of 13121201232103 in words is "thirteen trillion, one hundred twenty-one billion, two hundred one million, two hundred thirty-two thousand, one hundred three".