212064442351 has 4 divisors (see below), whose sum is σ = 212074717104. Its totient is φ = 212054167600.

The previous prime is 212064442349. The next prime is 212064442357. The reversal of 212064442351 is 153244460212.

212064442351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212064442351 - 2¹ = 212064442349 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 (212064442357) 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 3 ways as a sum of consecutive naturals, for example, 5106355 + ... + 5147716.

It is an arithmetic number, because the mean of its divisors is an integer number (53018679276).

Almost surely, 2^212064442351 is an apocalyptic number.

212064442351 is a deficient number, since it is larger than the sum of its proper divisors (10274753).

212064442351 is a wasteful number, since it uses less digits than its factorization.

212064442351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274752.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 212064442351 in words is "two hundred twelve billion, sixty-four million, four hundred forty-two thousand, three hundred fifty-one".