13124421042 has 16 divisors (see below), whose sum is σ = 26859280800. Its totient is φ = 4273067232.

The previous prime is 13124421029. The next prime is 13124421061. The reversal of 13124421042 is 24012442131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25434667 + ... + 25435182.

It is an arithmetic number, because the mean of its divisors is an integer number (1678705050).

Almost surely, 2^13124421042 is an apocalyptic number.

13124421042 is an abundant number, since it is smaller than the sum of its proper divisors (13734859758).

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

13124421042 is a wasteful number, since it uses less digits than its factorization.

13124421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50869897.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13124421042 its reverse (24012442131), we get a palindrome (37136863173).

The spelling of 13124421042 in words is "thirteen billion, one hundred twenty-four million, four hundred twenty-one thousand, forty-two".