13212230302 has 4 divisors (see below), whose sum is σ = 19818345456. Its totient is φ = 6606115150.

The previous prime is 13212230299. The next prime is 13212230329. The reversal of 13212230302 is 20303221231.

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

It is a super-2 number, since 2×13212230302² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13212230302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303057574 + ... + 3303057577.

It is an arithmetic number, because the mean of its divisors is an integer number (4954586364).

Almost surely, 2^13212230302 is an apocalyptic number.

13212230302 is a deficient number, since it is larger than the sum of its proper divisors (6606115154).

13212230302 is an equidigital number, since it uses as much as digits as its factorization.

13212230302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606115153.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13212230302 its reverse (20303221231), we get a palindrome (33515451533).

The spelling of 13212230302 in words is "thirteen billion, two hundred twelve million, two hundred thirty thousand, three hundred two".