212220444022212 has 96 divisors (see below), whose sum is σ = 511028406630784. Its totient is φ = 68494833792000.

The previous prime is 212220444022193. The next prime is 212220444022217.

It is a happy number.

212220444022212 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 212220444022212.

It is not an unprimeable number, because it can be changed into a prime (212220444022217) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 927450888 + ... + 927679680.

Almost surely, 2^{212220444022212} is an apocalyptic number.

It is an amenable number.

212220444022212 is an abundant number, since it is smaller than the sum of its proper divisors (298807962608572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212220444022212 is a wasteful number, since it uses less digits than its factorization.

212220444022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238949 (or 238947 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

The spelling of 212220444022212 in words is "two hundred twelve trillion, two hundred twenty billion, four hundred forty-four million, twenty-two thousand, two hundred twelve".