13121131223334 has 64 divisors (see below), whose sum is σ = 26590429958400. Its totient is φ = 4316103888768.

The previous prime is 13121131223309. The next prime is 13121131223339. The reversal of 13121131223334 is 43332213112131.

13121131223334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121131223339) 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, 175597209 + ... + 175671915.

It is an arithmetic number, because the mean of its divisors is an integer number (415475468100).

Almost surely, 2^{13121131223334} is an apocalyptic number.

13121131223334 is an abundant number, since it is smaller than the sum of its proper divisors (13469298735066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121131223334 is a wasteful number, since it uses less digits than its factorization.

13121131223334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76117.

The product of its digits is 7776, while the sum is 30.

Adding to 13121131223334 its reverse (43332213112131), we get a palindrome (56453344335465).

The spelling of 13121131223334 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred thirty-four".