212612066336 has 12 divisors (see below), whose sum is σ = 418580005662. Its totient is φ = 106306033152.

The previous prime is 212612066321. The next prime is 212612066377. The reversal of 212612066336 is 633660216212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 208523742736 + 4088323600 = 456644^2 + 63940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212612066336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3322063505 + ... + 3322063568.

Almost surely, 2^212612066336 is an apocalyptic number.

It is an amenable number.

212612066336 is a deficient number, since it is larger than the sum of its proper divisors (205967939326).

212612066336 is an equidigital number, since it uses as much as digits as its factorization.

212612066336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644127083 (or 6644127075 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 212612066336 in words is "two hundred twelve billion, six hundred twelve million, sixty-six thousand, three hundred thirty-six".