13122030021209 has 4 divisors (see below), whose sum is σ = 13812663180240. Its totient is φ = 12431396862180.

The previous prime is 13122030021197. The next prime is 13122030021251. The reversal of 13122030021209 is 90212003022131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13122030021209 - 2⁴ = 13122030021193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122030021409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345316579487 + ... + 345316579524.

It is an arithmetic number, because the mean of its divisors is an integer number (3453165795060).

Almost surely, 2^{13122030021209} is an apocalyptic number.

13122030021209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13122030021209 is a deficient number, since it is larger than the sum of its proper divisors (690633159031).

13122030021209 is an equidigital number, since it uses as much as digits as its factorization.

13122030021209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690633159030.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 13122030021209 in words is "thirteen trillion, one hundred twenty-two billion, thirty million, twenty-one thousand, two hundred nine".