212113241004212 has 48 divisors (see below), whose sum is σ = 393118060280400. Its totient is φ = 99796487104512.

The previous prime is 212113241004211. The next prime is 212113241004251. The reversal of 212113241004212 is 212400142311212.

It can be written as a sum of positive squares in 8 ways, for example, as 66363735203236 + 145749505800976 = 8146394^2 + 12072676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113241004211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9913212698 + ... + 9913234094.

It is an arithmetic number, because the mean of its divisors is an integer number (8189959589175).

Almost surely, 2^{212113241004212} is an apocalyptic number.

It is an amenable number.

212113241004212 is a deficient number, since it is larger than the sum of its proper divisors (181004819276188).

212113241004212 is a wasteful number, since it uses less digits than its factorization.

212113241004212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46020 (or 46018 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 212113241004212 its reverse (212400142311212), we get a palindrome (424513383315424).

The spelling of 212113241004212 in words is "two hundred twelve trillion, one hundred thirteen billion, two hundred forty-one million, four thousand, two hundred twelve".