212420103213 has 16 divisors (see below), whose sum is σ = 299904396480. Its totient is φ = 133275561216.

The previous prime is 212420103211. The next prime is 212420103223. The reversal of 212420103213 is 312301024212.

212420103213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212420103213 - 2¹ = 212420103211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212420103213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212420103211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856383 + ... + 1076211.

It is an arithmetic number, because the mean of its divisors is an integer number (18744024780).

Almost surely, 2^212420103213 is an apocalyptic number.

It is an amenable number.

212420103213 is a deficient number, since it is larger than the sum of its proper divisors (87484293267).

212420103213 is a wasteful number, since it uses less digits than its factorization.

212420103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238796.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212420103213 its reverse (312301024212), we get a palindrome (524721127425).

The spelling of 212420103213 in words is "two hundred twelve billion, four hundred twenty million, one hundred three thousand, two hundred thirteen".