13121302320222 has 16 divisors (see below), whose sum is σ = 26243109668352. Its totient is φ = 4373683268760.

The previous prime is 13121302320209. The next prime is 13121302320227. The reversal of 13121302320222 is 22202320312131.

13121302320222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13121302320192 and 13121302320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121302320227) 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, 20704654 + ... + 21328977.

It is an arithmetic number, because the mean of its divisors is an integer number (1640194354272).

Almost surely, 2^{13121302320222} is an apocalyptic number.

13121302320222 is an abundant number, since it is smaller than the sum of its proper divisors (13121807348130).

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

13121302320222 is a wasteful number, since it uses less digits than its factorization.

13121302320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42085663.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13121302320222 its reverse (22202320312131), we get a palindrome (35323622632353).

The spelling of 13121302320222 in words is "thirteen trillion, one hundred twenty-one billion, three hundred two million, three hundred twenty thousand, two hundred twenty-two".