13221451206614 has 32 divisors (see below), whose sum is σ = 22897813794816. Its totient is φ = 5608489960800.

The previous prime is 13221451206611. The next prime is 13221451206619. The reversal of 13221451206614 is 41660215412231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221451206611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10703654 + ... + 11874809.

It is an arithmetic number, because the mean of its divisors is an integer number (715556681088).

Almost surely, 2^{13221451206614} is an apocalyptic number.

13221451206614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13221451206614 is a deficient number, since it is larger than the sum of its proper divisors (9676362588202).

13221451206614 is a wasteful number, since it uses less digits than its factorization.

13221451206614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578900.

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 13221451206614 its reverse (41660215412231), we get a palindrome (54881666618845).

The spelling of 13221451206614 in words is "thirteen trillion, two hundred twenty-one billion, four hundred fifty-one million, two hundred six thousand, six hundred fourteen".