212205342302 has 4 divisors (see below), whose sum is σ = 318308013456. Its totient is φ = 106102671150.

The previous prime is 212205342287. The next prime is 212205342329. The reversal of 212205342302 is 203243502212.

212205342302 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 super-2 number, since 2×212205342302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53051335574 + ... + 53051335577.

It is an arithmetic number, because the mean of its divisors is an integer number (79577003364).

Almost surely, 2^212205342302 is an apocalyptic number.

212205342302 is a deficient number, since it is larger than the sum of its proper divisors (106102671154).

212205342302 is a wasteful number, since it uses less digits than its factorization.

212205342302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106102671153.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 212205342302 its reverse (203243502212), we get a palindrome (415448844514).

The spelling of 212205342302 in words is "two hundred twelve billion, two hundred five million, three hundred forty-two thousand, three hundred two".