13123335205124 has 12 divisors (see below), whose sum is σ = 22967322121548. Its totient is φ = 6561243170400.

The previous prime is 13123335205091. The next prime is 13123335205129. The reversal of 13123335205124 is 42150253332131.

It can be written as a sum of positive squares in 2 ways, for example, as 4242446478400 + 8880888726724 = 2059720^2 + 2980082^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13123335205129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106038467 + ... + 106162154.

It is an arithmetic number, because the mean of its divisors is an integer number (1913943510129).

Almost surely, 2^{13123335205124} is an apocalyptic number.

It is an amenable number.

13123335205124 is a deficient number, since it is larger than the sum of its proper divisors (9843986916424).

13123335205124 is a wasteful number, since it uses less digits than its factorization.

13123335205124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212216086 (or 212216084 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 13123335205124 its reverse (42150253332131), we get a palindrome (55273588537255).

The spelling of 13123335205124 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-five million, two hundred five thousand, one hundred twenty-four".