13121200034033 has 32 divisors (see below), whose sum is σ = 16267926554880. Its totient is φ = 10305288529920.

The previous prime is 13121200034029. The next prime is 13121200034087. The reversal of 13121200034033 is 33043000212131.

It is a cyclic number.

It is not a de Polignac number, because 13121200034033 - 2² = 13121200034029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13121200034003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83113613 + ... + 83271333.

It is an arithmetic number, because the mean of its divisors is an integer number (508372704840).

Almost surely, 2^{13121200034033} is an apocalyptic number.

13121200034033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13121200034033 is a deficient number, since it is larger than the sum of its proper divisors (3146726520847).

13121200034033 is a wasteful number, since it uses less digits than its factorization.

13121200034033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164457.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13121200034033 its reverse (33043000212131), we get a palindrome (46164200246164).

The spelling of 13121200034033 in words is "thirteen trillion, one hundred twenty-one billion, two hundred million, thirty-four thousand, thirty-three".