212022210986 has 8 divisors (see below), whose sum is σ = 318071415684. Its totient is φ = 105998405760.

The previous prime is 212022210979. The next prime is 212022210989. The reversal of 212022210986 is 689012220212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 203338766761 + 8683444225 = 450931^2 + 93185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212022210989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6328985 + ... + 6362396.

Almost surely, 2^212022210986 is an apocalyptic number.

212022210986 is a deficient number, since it is larger than the sum of its proper divisors (106049204698).

212022210986 is a wasteful number, since it uses less digits than its factorization.

212022210986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12699736.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 212022210986 in words is "two hundred twelve billion, twenty-two million, two hundred ten thousand, nine hundred eighty-six".