212179473 has 32 divisors (see below), whose sum is σ = 343879680. Its totient is φ = 128232720.

The previous prime is 212179459. The next prime is 212179477. The reversal of 212179473 is 374971212.

212179473 is a `hidden beast` number, since 2 + 12 + 179 + 473 = 666.

It is not a de Polignac number, because 212179473 - 2⁹ = 212178961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212179477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136740 + ... + 138282.

It is an arithmetic number, because the mean of its divisors is an integer number (10746240).

Almost surely, 2^212179473 is an apocalyptic number.

It is an amenable number.

212179473 is a deficient number, since it is larger than the sum of its proper divisors (131700207).

212179473 is a wasteful number, since it uses less digits than its factorization.

212179473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2020 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 212179473 is about 14566.3816028553. The cubic root of 212179473 is about 596.4414107978.

The spelling of 212179473 in words is "two hundred twelve million, one hundred seventy-nine thousand, four hundred seventy-three".