212020210022212 has 6 divisors (see below), whose sum is σ = 371035367538878. Its totient is φ = 106010105011104.

The previous prime is 212020210022209. The next prime is 212020210022293. The reversal of 212020210022212 is 212220012020212.

It can be written as a sum of positive squares in only one way, i.e., 150491654390016 + 61528555632196 = 12267504^2 + 7844014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212020210022212.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26502526252773 + ... + 26502526252780.

Almost surely, 2^{212020210022212} is an apocalyptic number.

It is an amenable number.

212020210022212 is a deficient number, since it is larger than the sum of its proper divisors (159015157516666).

212020210022212 is a wasteful number, since it uses less digits than its factorization.

212020210022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53005052505557 (or 53005052505555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212020210022212 its reverse (212220012020212), we get a palindrome (424240222042424).

The spelling of 212020210022212 in words is "two hundred twelve trillion, twenty billion, two hundred ten million, twenty-two thousand, two hundred twelve".