13011122142 has 48 divisors (see below), whose sum is σ = 30484164672. Its totient is φ = 3995066880.

The previous prime is 13011122141. The next prime is 13011122147. The reversal of 13011122142 is 24122111031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011122141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437959 + ... + 466722.

It is an arithmetic number, because the mean of its divisors is an integer number (635086764).

Almost surely, 2^13011122142 is an apocalyptic number.

13011122142 is an abundant number, since it is smaller than the sum of its proper divisors (17473042530).

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

13011122142 is a wasteful number, since it uses less digits than its factorization.

13011122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904753 (or 904750 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 13011122142 its reverse (24122111031), we get a palindrome (37133233173).

The spelling of 13011122142 in words is "thirteen billion, eleven million, one hundred twenty-two thousand, one hundred forty-two".