13123213222201 has 16 divisors (see below), whose sum is σ = 14460384435840. Its totient is φ = 11853944623360.

The previous prime is 13123213222159. The next prime is 13123213222261. The reversal of 13123213222201 is 10222231232131.

It is a cyclic number.

It is not a de Polignac number, because 13123213222201 - 2⁹ = 13123213221689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123213222261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79615555 + ... + 79780216.

It is an arithmetic number, because the mean of its divisors is an integer number (903774027240).

Almost surely, 2^{13123213222201} is an apocalyptic number.

It is an amenable number.

13123213222201 is a deficient number, since it is larger than the sum of its proper divisors (1337171213639).

13123213222201 is a wasteful number, since it uses less digits than its factorization.

13123213222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159395984.

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

Adding to 13123213222201 its reverse (10222231232131), we get a palindrome (23345444454332).

The spelling of 13123213222201 in words is "thirteen trillion, one hundred twenty-three billion, two hundred thirteen million, two hundred twenty-two thousand, two hundred one".