212222453212313 has 4 divisors (see below), whose sum is σ = 216226650442788. Its totient is φ = 208218255981840.

The previous prime is 212222453212279. The next prime is 212222453212327. The reversal of 212222453212313 is 313212354222212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 143676853494784 + 68545599717529 = 11986528^2 + 8279227^2 .

It is not a de Polignac number, because 212222453212313 - 2⁸ = 212222453212057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212222453212333) 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, 2002098615158 + ... + 2002098615263.

It is an arithmetic number, because the mean of its divisors is an integer number (54056662610697).

Almost surely, 2^{212222453212313} is an apocalyptic number.

It is an amenable number.

212222453212313 is a deficient number, since it is larger than the sum of its proper divisors (4004197230475).

212222453212313 is an equidigital number, since it uses as much as digits as its factorization.

212222453212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004197230474.

The product of its digits is 69120, while the sum is 35.

The spelling of 212222453212313 in words is "two hundred twelve trillion, two hundred twenty-two billion, four hundred fifty-three million, two hundred twelve thousand, three hundred thirteen".