212222010986 has 8 divisors (see below), whose sum is σ = 318869836164. Its totient is φ = 105932065600.

The previous prime is 212222010943. The next prime is 212222010989. The reversal of 212222010986 is 689010222212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 191060781025 + 21161229961 = 437105^2 + 145469^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212222010989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89468465 + ... + 89470836.

Almost surely, 2^212222010986 is an apocalyptic number.

212222010986 is a deficient number, since it is larger than the sum of its proper divisors (106647825178).

212222010986 is a wasteful number, since it uses less digits than its factorization.

212222010986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178939896.

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

The spelling of 212222010986 in words is "two hundred twelve billion, two hundred twenty-two million, ten thousand, nine hundred eighty-six".