13122241420 has 12 divisors (see below), whose sum is σ = 27556707024. Its totient is φ = 5248896560.

The previous prime is 13122241409. The next prime is 13122241439. The reversal of 13122241420 is 2414222131.

It is a junction number, because it is equal to n+sod(n) for n = 13122241391 and 13122241400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328056016 + ... + 328056055.

It is an arithmetic number, because the mean of its divisors is an integer number (2296392252).

Almost surely, 2^13122241420 is an apocalyptic number.

13122241420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122241420 is an abundant number, since it is smaller than the sum of its proper divisors (14434465604).

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

13122241420 is a wasteful number, since it uses less digits than its factorization.

13122241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656112080 (or 656112078 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13122241420 its reverse (2414222131), we get a palindrome (15536463551).

The spelling of 13122241420 in words is "thirteen billion, one hundred twenty-two million, two hundred forty-one thousand, four hundred twenty".