13123021022206 has 4 divisors (see below), whose sum is σ = 19684531533312. Its totient is φ = 6561510511102.

The previous prime is 13123021022179. The next prime is 13123021022227. The reversal of 13123021022206 is 60222012032131.

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

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, 3280755255550 + ... + 3280755255553.

It is an arithmetic number, because the mean of its divisors is an integer number (4921132883328).

Almost surely, 2^{13123021022206} is an apocalyptic number.

13123021022206 is a deficient number, since it is larger than the sum of its proper divisors (6561510511106).

13123021022206 is an equidigital number, since it uses as much as digits as its factorization.

13123021022206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561510511105.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13123021022206 its reverse (60222012032131), we get a palindrome (73345033054337).

The spelling of 13123021022206 in words is "thirteen trillion, one hundred twenty-three billion, twenty-one million, twenty-two thousand, two hundred six".