13124420521233 has 16 divisors (see below), whose sum is σ = 20007884754816. Its totient is φ = 7496380955520.

The previous prime is 13124420521229. The next prime is 13124420521243. The reversal of 13124420521233 is 33212502442131.

It is a happy number.

It is not a de Polignac number, because 13124420521233 - 2² = 13124420521229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13124420521194 and 13124420521203.

It is not an unprimeable number, because it can be changed into a prime (13124420521243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136947366 + ... + 137043167.

It is an arithmetic number, because the mean of its divisors is an integer number (1250492797176).

Almost surely, 2^{13124420521233} is an apocalyptic number.

It is an amenable number.

13124420521233 is a deficient number, since it is larger than the sum of its proper divisors (6883464233583).

13124420521233 is a wasteful number, since it uses less digits than its factorization.

13124420521233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273992824.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 13124420521233 its reverse (33212502442131), we get a palindrome (46336922963364).

The spelling of 13124420521233 in words is "thirteen trillion, one hundred twenty-four billion, four hundred twenty million, five hundred twenty-one thousand, two hundred thirty-three".