13122334240425 has 72 divisors (see below), whose sum is σ = 24395031888864. Its totient is φ = 6992556802560.

The previous prime is 13122334240423. The next prime is 13122334240439. The reversal of 13122334240425 is 52404243322131.

13122334240425 is a `hidden beast` number, since 1 + 3 + 1 + 223 + 3 + 4 + 2 + 4 + 0 + 425 = 666.

13122334240425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13122334240425 - 2¹ = 13122334240423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13122334240425.

It is not an unprimeable number, because it can be changed into a prime (13122334240423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6136569 + ... + 7993881.

Almost surely, 2^{13122334240425} is an apocalyptic number.

13122334240425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13122334240425 is a deficient number, since it is larger than the sum of its proper divisors (11272697648439).

13122334240425 is a wasteful number, since it uses less digits than its factorization.

13122334240425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858501 (or 1858484 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 13122334240425 its reverse (52404243322131), we get a palindrome (65526577562556).

The spelling of 13122334240425 in words is "thirteen trillion, one hundred twenty-two billion, three hundred thirty-four million, two hundred forty thousand, four hundred twenty-five".