212304104121133 has 4 divisors (see below), whose sum is σ = 212304135695548. Its totient is φ = 212304072546720.

The previous prime is 212304104121097. The next prime is 212304104121163. The reversal of 212304104121133 is 331121401403212.

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 97704467086249 + 114599637034884 = 9884557^2 + 10705122^2 .

It is a cyclic number.

It is not a de Polignac number, because 212304104121133 - 2¹³ = 212304104112941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212304104121163) 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, 1222128 + ... + 20642233.

It is an arithmetic number, because the mean of its divisors is an integer number (53076033923887).

Almost surely, 2^{212304104121133} is an apocalyptic number.

It is an amenable number.

212304104121133 is a deficient number, since it is larger than the sum of its proper divisors (31574415).

212304104121133 is an equidigital number, since it uses as much as digits as its factorization.

212304104121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31574414.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 212304104121133 its reverse (331121401403212), we get a palindrome (543425505524345).

The spelling of 212304104121133 in words is "two hundred twelve trillion, three hundred four billion, one hundred four million, one hundred twenty-one thousand, one hundred thirty-three".