13122020131222 has 4 divisors (see below), whose sum is σ = 19683030196836. Its totient is φ = 6561010065610.

The previous prime is 13122020131211. The next prime is 13122020131243. The reversal of 13122020131222 is 22213102022131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13122020131193 and 13122020131202.

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, 3280505032804 + ... + 3280505032807.

It is an arithmetic number, because the mean of its divisors is an integer number (4920757549209).

Almost surely, 2^{13122020131222} is an apocalyptic number.

13122020131222 is a deficient number, since it is larger than the sum of its proper divisors (6561010065614).

13122020131222 is an equidigital number, since it uses as much as digits as its factorization.

13122020131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561010065613.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13122020131222 its reverse (22213102022131), we get a palindrome (35335122153353).

The spelling of 13122020131222 in words is "thirteen trillion, one hundred twenty-two billion, twenty million, one hundred thirty-one thousand, two hundred twenty-two".