13121133042303 has 36 divisors (see below), whose sum is σ = 22388506758072. Its totient is φ = 7340494000320.

The previous prime is 13121133042301. The next prime is 13121133042359. The reversal of 13121133042303 is 30324033112131.

13121133042303 is a `hidden beast` number, since 1 + 3 + 1 + 21 + 1 + 330 + 4 + 2 + 303 = 666.

It is not a de Polignac number, because 13121133042303 - 2¹ = 13121133042301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121133042301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 392103676 + ... + 392137137.

It is an arithmetic number, because the mean of its divisors is an integer number (621902965502).

Almost surely, 2^{13121133042303} is an apocalyptic number.

13121133042303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13121133042303 is a deficient number, since it is larger than the sum of its proper divisors (9267373715769).

13121133042303 is a wasteful number, since it uses less digits than its factorization.

13121133042303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784240856 (or 784240840 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13121133042303 its reverse (30324033112131), we get a palindrome (43445166154434).

The spelling of 13121133042303 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-three million, forty-two thousand, three hundred three".