13234121142 has 96 divisors (see below), whose sum is σ = 29693260800. Its totient is φ = 3928140480.

The previous prime is 13234121119. The next prime is 13234121149. The reversal of 13234121142 is 24112143231.

It is a super-2 number, since 2×13234121142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234121149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21802203 + ... + 21802809.

It is an arithmetic number, because the mean of its divisors is an integer number (309304800).

Almost surely, 2^13234121142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13234121142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14846630400).

13234121142 is an abundant number, since it is smaller than the sum of its proper divisors (16459139658).

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

13234121142 is a wasteful number, since it uses less digits than its factorization.

13234121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1191 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 13234121142 its reverse (24112143231), we get a palindrome (37346264373).

The spelling of 13234121142 in words is "thirteen billion, two hundred thirty-four million, one hundred twenty-one thousand, one hundred forty-two".