212200545 has 16 divisors (see below), whose sum is σ = 359493120. Its totient is φ = 106516224.

The previous prime is 212200537. The next prime is 212200577. The reversal of 212200545 is 545002212.

It is a happy number.

212200545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212200545 - 2³ = 212200537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415825 + ... + 416334.

It is an arithmetic number, because the mean of its divisors is an integer number (22468320).

Almost surely, 2^212200545 is an apocalyptic number.

It is an amenable number.

212200545 is a deficient number, since it is larger than the sum of its proper divisors (147292575).

212200545 is a wasteful number, since it uses less digits than its factorization.

212200545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832184.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 212200545 is about 14567.1048942472. The cubic root of 212200545 is about 596.4611547708.

Adding to 212200545 its reverse (545002212), we get a palindrome (757202757).

The spelling of 212200545 in words is "two hundred twelve million, two hundred thousand, five hundred forty-five".