13203121123129 has 8 divisors (see below), whose sum is σ = 15099709271168. Its totient is φ = 11309139972000.

The previous prime is 13203121123111. The next prime is 13203121123151. The reversal of 13203121123129 is 92132112130231.

It is a happy number.

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 13203121123129 - 2⁷ = 13203121123001 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 13203121123129.

It is not an unprimeable number, because it can be changed into a prime (13203121124129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651738372 + ... + 651758629.

It is an arithmetic number, because the mean of its divisors is an integer number (1887463658896).

Almost surely, 2^{13203121123129} is an apocalyptic number.

It is an amenable number.

13203121123129 is a deficient number, since it is larger than the sum of its proper divisors (1896588148039).

13203121123129 is a wasteful number, since it uses less digits than its factorization.

13203121123129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303498455.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 13203121123129 in words is "thirteen trillion, two hundred three billion, one hundred twenty-one million, one hundred twenty-three thousand, one hundred twenty-nine".