13122113132220 has 96 divisors (see below), whose sum is σ = 37260994208256. Its totient is φ = 3449798419200.

The previous prime is 13122113132143. The next prime is 13122113132269. The reversal of 13122113132220 is 2223131122131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130633815 + ... + 130734225.

It is an arithmetic number, because the mean of its divisors is an integer number (388135356336).

Almost surely, 2^{13122113132220} is an apocalyptic number.

13122113132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122113132220 is an abundant number, since it is smaller than the sum of its proper divisors (24138881076036).

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

13122113132220 is a wasteful number, since it uses less digits than its factorization.

13122113132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131171 (or 131169 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13122113132220 its reverse (2223131122131), we get a palindrome (15345244254351).

The spelling of 13122113132220 in words is "thirteen trillion, one hundred twenty-two billion, one hundred thirteen million, one hundred thirty-two thousand, two hundred twenty".