13021312003123 has 8 divisors (see below), whose sum is σ = 13026605312000. Its totient is φ = 13016019496968.

The previous prime is 13021312003087. The next prime is 13021312003157. The reversal of 13021312003123 is 32130021312031.

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 13021312003123 - 2²¹ = 13021309905971 is a prime.

It is a super-2 number, since 2×13021312003123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021312003094 and 13021312003103.

It is not an unprimeable number, because it can be changed into a prime (13021312003163) 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, 33383578 + ... + 33771376.

It is an arithmetic number, because the mean of its divisors is an integer number (1628325664000).

Almost surely, 2^{13021312003123} is an apocalyptic number.

13021312003123 is a deficient number, since it is larger than the sum of its proper divisors (5293308877).

13021312003123 is a wasteful number, since it uses less digits than its factorization.

13021312003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401361.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13021312003123 its reverse (32130021312031), we get a palindrome (45151333315154).

The spelling of 13021312003123 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, three thousand, one hundred twenty-three".