212114545 has 16 divisors (see below), whose sum is σ = 258920640. Its totient is φ = 166795200.

The previous prime is 212114543. The next prime is 212114561. The reversal of 212114545 is 545411212.

It is not a de Polignac number, because 212114545 - 2¹ = 212114543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212114543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69910 + ... + 72880.

It is an arithmetic number, because the mean of its divisors is an integer number (16182540).

Almost surely, 2^212114545 is an apocalyptic number.

It is an amenable number.

212114545 is a deficient number, since it is larger than the sum of its proper divisors (46806095).

212114545 is a wasteful number, since it uses less digits than its factorization.

212114545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216.

The product of its digits is 1600, while the sum is 25.

The square root of 212114545 is about 14564.1527388311. The cubic root of 212114545 is about 596.3805665541.

Adding to 212114545 its reverse (545411212), we get a palindrome (757525757).

The spelling of 212114545 in words is "two hundred twelve million, one hundred fourteen thousand, five hundred forty-five".