212430045 has 32 divisors (see below), whose sum is σ = 362361600. Its totient is φ = 105896960.

The previous prime is 212430037. The next prime is 212430077. The reversal of 212430045 is 540034212.

It is not a de Polignac number, because 212430045 - 2³ = 212430037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35200 + ... + 40790.

It is an arithmetic number, because the mean of its divisors is an integer number (11323800).

Almost surely, 2^212430045 is an apocalyptic number.

It is an amenable number.

212430045 is a deficient number, since it is larger than the sum of its proper divisors (149931555).

212430045 is a wasteful number, since it uses less digits than its factorization.

212430045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 212430045 is about 14574.9801029024. The cubic root of 212430045 is about 596.6761063323.

Adding to 212430045 its reverse (540034212), we get a palindrome (752464257).

The spelling of 212430045 in words is "two hundred twelve million, four hundred thirty thousand, forty-five".