13123166280122 has 4 divisors (see below), whose sum is σ = 19684749420186. Its totient is φ = 6561583140060.

The previous prime is 13123166280083. The next prime is 13123166280127. The reversal of 13123166280122 is 22108266132131.

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

It can be written as a sum of positive squares in only one way, i.e., 11526099690121 + 1597066590001 = 3395011^2 + 1263751^2 .

It is not an unprimeable number, because it can be changed into a prime (13123166280127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280791570029 + ... + 3280791570032.

Almost surely, 2^{13123166280122} is an apocalyptic number.

13123166280122 is a deficient number, since it is larger than the sum of its proper divisors (6561583140064).

13123166280122 is an equidigital number, since it uses as much as digits as its factorization.

13123166280122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561583140063.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 13123166280122 in words is "thirteen trillion, one hundred twenty-three billion, one hundred sixty-six million, two hundred eighty thousand, one hundred twenty-two".