212071166144 has 14 divisors (see below), whose sum is σ = 420828720444. Its totient is φ = 106035583040.

The previous prime is 212071166141. The next prime is 212071166189. The reversal of 212071166144 is 441661170212.

It is not an unprimeable number, because it can be changed into a prime (212071166141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656805922 + ... + 1656806049.

Almost surely, 2^212071166144 is an apocalyptic number.

It is an amenable number.

212071166144 is a deficient number, since it is larger than the sum of its proper divisors (208757554300).

212071166144 is an equidigital number, since it uses as much as digits as its factorization.

212071166144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313611983 (or 3313611973 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 212071166144 in words is "two hundred twelve billion, seventy-one million, one hundred sixty-six thousand, one hundred forty-four".