13421445122 has 6 divisors (see below), whose sum is σ = 20132413443. Its totient is φ = 6710640642.

The previous prime is 13421445109. The next prime is 13421445127. The reversal of 13421445122 is 22154412431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6710722561 + 6710722561 = 81919^2 + 81919^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=81919.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13421445127) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 122879 + ... + 204797.

Almost surely, 2^13421445122 is an apocalyptic number.

13421445122 is a deficient number, since it is larger than the sum of its proper divisors (6710968321).

13421445122 is an frugal number, since it uses more digits than its factorization.

13421445122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163840 (or 81921 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

Adding to 13421445122 its reverse (22154412431), we get a palindrome (35575857553).

The spelling of 13421445122 in words is "thirteen billion, four hundred twenty-one million, four hundred forty-five thousand, one hundred twenty-two".