13123210021022 has 4 divisors (see below), whose sum is σ = 19684815031536. Its totient is φ = 6561605010510.

The previous prime is 13123210021001. The next prime is 13123210021037. The reversal of 13123210021022 is 22012001232131.

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 = 13123210020985 and 13123210021003.

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, 3280802505254 + ... + 3280802505257.

It is an arithmetic number, because the mean of its divisors is an integer number (4921203757884).

Almost surely, 2^{13123210021022} is an apocalyptic number.

13123210021022 is a deficient number, since it is larger than the sum of its proper divisors (6561605010514).

13123210021022 is an equidigital number, since it uses as much as digits as its factorization.

13123210021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561605010513.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13123210021022 its reverse (22012001232131), we get a palindrome (35135211253153).

The spelling of 13123210021022 in words is "thirteen trillion, one hundred twenty-three billion, two hundred ten million, twenty-one thousand, twenty-two".