13221314204 has 24 divisors (see below), whose sum is σ = 27592309248. Its totient is φ = 5419917360.

The previous prime is 13221314177. The next prime is 13221314209. The reversal of 13221314204 is 40241312231.

It is a super-3 number, since 3×13221314204³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 13221314204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221314209) 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, 10264352 + ... + 10265639.

It is an arithmetic number, because the mean of its divisors is an integer number (1149679552).

Almost surely, 2^13221314204 is an apocalyptic number.

13221314204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13221314204 is an abundant number, since it is smaller than the sum of its proper divisors (14370995044).

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

13221314204 is a wasteful number, since it uses less digits than its factorization.

13221314204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530025 (or 20530023 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13221314204 its reverse (40241312231), we get a palindrome (53462626435).

The spelling of 13221314204 in words is "thirteen billion, two hundred twenty-one million, three hundred fourteen thousand, two hundred four".