212443164674 has 24 divisors (see below), whose sum is σ = 349789941252. Its totient is φ = 96707520000.

The previous prime is 212443164589. The next prime is 212443164697. The reversal of 212443164674 is 476461344212.

It can be written as a sum of positive squares in 6 ways, for example, as 49021059649 + 163422105025 = 221407^2 + 404255^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4280327 + ... + 4329674.

Almost surely, 2^212443164674 is an apocalyptic number.

212443164674 is a deficient number, since it is larger than the sum of its proper divisors (137346776578).

212443164674 is a wasteful number, since it uses less digits than its factorization.

212443164674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610102 (or 8610089 counting only the distinct ones).

The product of its digits is 774144, while the sum is 44.

The spelling of 212443164674 in words is "two hundred twelve billion, four hundred forty-three million, one hundred sixty-four thousand, six hundred seventy-four".