212020371106 has 4 divisors (see below), whose sum is σ = 318030556662. Its totient is φ = 106010185552.

The previous prime is 212020371097. The next prime is 212020371127. The reversal of 212020371106 is 601173020212.

It is a happy number.

212020371106 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 can be written as a sum of positive squares in only one way, i.e., 153970696881 + 58049674225 = 392391^2 + 240935^2 .

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, 53005092775 + ... + 53005092778.

Almost surely, 2^212020371106 is an apocalyptic number.

212020371106 is a deficient number, since it is larger than the sum of its proper divisors (106010185556).

212020371106 is a wasteful number, since it uses less digits than its factorization.

212020371106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106010185555.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 212020371106 its reverse (601173020212), we get a palindrome (813193391318).

The spelling of 212020371106 in words is "two hundred twelve billion, twenty million, three hundred seventy-one thousand, one hundred six".