13434431221202 has 4 divisors (see below), whose sum is σ = 20151646831806. Its totient is φ = 6717215610600.

The previous prime is 13434431221199. The next prime is 13434431221219. The reversal of 13434431221202 is 20212213443431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12906049065001 + 528382156201 = 3592499^2 + 726899^2 .

It is a super-2 number, since 2×13434431221202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358607805299 + ... + 3358607805302.

Almost surely, 2^{13434431221202} is an apocalyptic number.

13434431221202 is a deficient number, since it is larger than the sum of its proper divisors (6717215610604).

13434431221202 is an equidigital number, since it uses as much as digits as its factorization.

13434431221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6717215610603.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13434431221202 its reverse (20212213443431), we get a palindrome (33646644664633).

The spelling of 13434431221202 in words is "thirteen trillion, four hundred thirty-four billion, four hundred thirty-one million, two hundred twenty-one thousand, two hundred two".