13123255032211 has 4 divisors (see below), whose sum is σ = 13125316174912. Its totient is φ = 13121193889512.

The previous prime is 13123255032191. The next prime is 13123255032299. The reversal of 13123255032211 is 11223055232131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13123255032211 - 2⁹ = 13123255031699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123255032311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030561800 + ... + 1030574533.

It is an arithmetic number, because the mean of its divisors is an integer number (3281329043728).

Almost surely, 2^{13123255032211} is an apocalyptic number.

13123255032211 is a deficient number, since it is larger than the sum of its proper divisors (2061142701).

13123255032211 is an equidigital number, since it uses as much as digits as its factorization.

13123255032211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061142700.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 13123255032211 in words is "thirteen trillion, one hundred twenty-three billion, two hundred fifty-five million, thirty-two thousand, two hundred eleven".