13121021002233 has 32 divisors (see below), whose sum is σ = 18186210000000. Its totient is φ = 8404628424192.

The previous prime is 13121021002223. The next prime is 13121021002237. The reversal of 13121021002233 is 33220012012131.

It is a de Polignac number, because none of the positive numbers 2^k-13121021002233 is a prime.

It is a super-2 number, since 2×13121021002233² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13121021002237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14718133 + ... + 15584141.

It is an arithmetic number, because the mean of its divisors is an integer number (568319062500).

Almost surely, 2^{13121021002233} is an apocalyptic number.

It is an amenable number.

13121021002233 is a deficient number, since it is larger than the sum of its proper divisors (5065188997767).

13121021002233 is a wasteful number, since it uses less digits than its factorization.

13121021002233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866889.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13121021002233 its reverse (33220012012131), we get a palindrome (46341033014364).

The spelling of 13121021002233 in words is "thirteen trillion, one hundred twenty-one billion, twenty-one million, two thousand, two hundred thirty-three".