212606456434 has 8 divisors (see below), whose sum is σ = 318924890028. Its totient is φ = 106298159760.

The previous prime is 212606456411. The next prime is 212606456437. The reversal of 212606456434 is 434654606212.

It can be written as a sum of positive squares in 2 ways, for example, as 202002605809 + 10603850625 = 449447^2 + 102975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212606456437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2481577 + ... + 2565820.

Almost surely, 2^212606456434 is an apocalyptic number.

212606456434 is a deficient number, since it is larger than the sum of its proper divisors (106318433594).

212606456434 is a wasteful number, since it uses less digits than its factorization.

212606456434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068460.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 212606456434 in words is "two hundred twelve billion, six hundred six million, four hundred fifty-six thousand, four hundred thirty-four".