13121122443142 has 32 divisors (see below), whose sum is σ = 23044023959040. Its totient is φ = 5485694829120.

The previous prime is 13121122443119. The next prime is 13121122443151. The reversal of 13121122443142 is 24134422112131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5466109 + ... + 7491367.

It is an arithmetic number, because the mean of its divisors is an integer number (720125748720).

Almost surely, 2^{13121122443142} is an apocalyptic number.

13121122443142 is a deficient number, since it is larger than the sum of its proper divisors (9922901515898).

13121122443142 is a wasteful number, since it uses less digits than its factorization.

13121122443142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036596.

The product of its digits is 9216, while the sum is 31.

Adding to 13121122443142 its reverse (24134422112131), we get a palindrome (37255544555273).

The spelling of 13121122443142 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-two million, four hundred forty-three thousand, one hundred forty-two".