13121023130333 has 4 divisors (see below), whose sum is σ = 13237138379388. Its totient is φ = 13004907881280.

The previous prime is 13121023130329. The next prime is 13121023130363. The reversal of 13121023130333 is 33303132012131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2234540646244 + 10886482484089 = 1494838^2 + 3299467^2 .

It is a cyclic number.

It is not a de Polignac number, because 13121023130333 - 2² = 13121023130329 is a prime.

It is a super-2 number, since 2×13121023130333² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121023130363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58057624358 + ... + 58057624583.

It is an arithmetic number, because the mean of its divisors is an integer number (3309284594847).

Almost surely, 2^{13121023130333} is an apocalyptic number.

It is an amenable number.

13121023130333 is a deficient number, since it is larger than the sum of its proper divisors (116115249055).

13121023130333 is a wasteful number, since it uses less digits than its factorization.

13121023130333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116115249054.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 13121023130333 its reverse (33303132012131), we get a palindrome (46424155142464).

The spelling of 13121023130333 in words is "thirteen trillion, one hundred twenty-one billion, twenty-three million, one hundred thirty thousand, three hundred thirty-three".