13081245123 has 16 divisors (see below), whose sum is σ = 17637054336. Its totient is φ = 8623605120.

The previous prime is 13081245097. The next prime is 13081245137. The reversal of 13081245123 is 32154218031.

It is not a de Polignac number, because 13081245123 - 2⁵ = 13081245091 is a prime.

It is a super-2 number, since 2×13081245123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13081245173) 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, 52411 + ... + 170027.

It is an arithmetic number, because the mean of its divisors is an integer number (1102315896).

Almost surely, 2^13081245123 is an apocalyptic number.

13081245123 is a deficient number, since it is larger than the sum of its proper divisors (4555809213).

13081245123 is a wasteful number, since it uses less digits than its factorization.

13081245123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118034.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 13081245123 in words is "thirteen billion, eighty-one million, two hundred forty-five thousand, one hundred twenty-three".