13121132313342 has 32 divisors (see below), whose sum is σ = 26871760627200. Its totient is φ = 4269624147360.

The previous prime is 13121132313323. The next prime is 13121132313343. The reversal of 13121132313342 is 24331323112131.

It is a super-2 number, since 2×13121132313342² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121132313343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103608634 + ... + 103735197.

It is an arithmetic number, because the mean of its divisors is an integer number (839742519600).

Almost surely, 2^{13121132313342} is an apocalyptic number.

13121132313342 is an abundant number, since it is smaller than the sum of its proper divisors (13750628313858).

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

13121132313342 is a wasteful number, since it uses less digits than its factorization.

13121132313342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207344088.

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

Adding to 13121132313342 its reverse (24331323112131), we get a palindrome (37452455425473).

The spelling of 13121132313342 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-two million, three hundred thirteen thousand, three hundred forty-two".