13521424245222 has 16 divisors (see below), whose sum is σ = 27553090915440. Its totient is φ = 4422101010912.

The previous prime is 13521424245191. The next prime is 13521424245227. The reversal of 13521424245222 is 22254242412531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521424245227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21260100697 + ... + 21260101332.

It is an arithmetic number, because the mean of its divisors is an integer number (1722068182215).

Almost surely, 2^{13521424245222} is an apocalyptic number.

13521424245222 is an abundant number, since it is smaller than the sum of its proper divisors (14031666670218).

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

13521424245222 is a wasteful number, since it uses less digits than its factorization.

13521424245222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42520202087.

The product of its digits is 307200, while the sum is 39.

Adding to 13521424245222 its reverse (22254242412531), we get a palindrome (35775666657753).

The spelling of 13521424245222 in words is "thirteen trillion, five hundred twenty-one billion, four hundred twenty-four million, two hundred forty-five thousand, two hundred twenty-two".