13121121311203 has 8 divisors (see below), whose sum is σ = 13595935524480. Its totient is φ = 12647797881600.

The previous prime is 13121121311183. The next prime is 13121121311303. The reversal of 13121121311203 is 30211312112131.

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 13121121311203 - 2⁹ = 13121121310691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121121311303) 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, 372677998 + ... + 372713203.

It is an arithmetic number, because the mean of its divisors is an integer number (1699491940560).

Almost surely, 2^{13121121311203} is an apocalyptic number.

13121121311203 is a deficient number, since it is larger than the sum of its proper divisors (474814213277).

13121121311203 is an equidigital number, since it uses as much as digits as its factorization.

13121121311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745391837.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13121121311203 its reverse (30211312112131), we get a palindrome (43332433423334).

The spelling of 13121121311203 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-one million, three hundred eleven thousand, two hundred three".