13122533502123 has 16 divisors (see below), whose sum is σ = 18540213420960. Its totient is φ = 8227398168576.

The previous prime is 13122533502107. The next prime is 13122533502139. The reversal of 13122533502123 is 32120533522131.

It is an interprime number because it is at equal distance from previous prime (13122533502107) and next prime (13122533502139).

It is not a de Polignac number, because 13122533502123 - 2⁴ = 13122533502107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122533502223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99126058 + ... + 99258351.

It is an arithmetic number, because the mean of its divisors is an integer number (1158763338810).

Almost surely, 2^{13122533502123} is an apocalyptic number.

13122533502123 is a deficient number, since it is larger than the sum of its proper divisors (5417679918837).

13122533502123 is a wasteful number, since it uses less digits than its factorization.

13122533502123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198385726.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 13122533502123 in words is "thirteen trillion, one hundred twenty-two billion, five hundred thirty-three million, five hundred two thousand, one hundred twenty-three".