13124450025242 has 16 divisors (see below), whose sum is σ = 19742971729320. Its totient is φ = 6543460442112.

The previous prime is 13124450025229. The next prime is 13124450025283. The reversal of 13124450025242 is 24252005442131.

It can be written as a sum of positive squares in 4 ways, for example, as 12620334405121 + 504115620121 = 3552511^2 + 710011^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28586234 + ... + 29041722.

Almost surely, 2^{13124450025242} is an apocalyptic number.

13124450025242 is a deficient number, since it is larger than the sum of its proper divisors (6618521704078).

13124450025242 is a wasteful number, since it uses less digits than its factorization.

13124450025242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496657.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 13124450025242 its reverse (24252005442131), we get a palindrome (37376455467373).

The spelling of 13124450025242 in words is "thirteen trillion, one hundred twenty-four billion, four hundred fifty million, twenty-five thousand, two hundred forty-two".