212141045 has 16 divisors (see below), whose sum is σ = 270527040. Its totient is φ = 159147264.

The previous prime is 212141021. The next prime is 212141051. The reversal of 212141045 is 540141212.

It is a happy number.

212141045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212141045 - 2²² = 207946741 is a prime.

It is a Curzon number.

It is a congruent number.

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, 19646 + ... + 28464.

It is an arithmetic number, because the mean of its divisors is an integer number (16907940).

Almost surely, 2^212141045 is an apocalyptic number.

It is an amenable number.

212141045 is a deficient number, since it is larger than the sum of its proper divisors (58385995).

212141045 is a wasteful number, since it uses less digits than its factorization.

212141045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 212141045 is about 14565.0624784105. The cubic root of 212141045 is about 596.4054012912.

Adding to 212141045 its reverse (540141212), we get a palindrome (752282257).

The spelling of 212141045 in words is "two hundred twelve million, one hundred forty-one thousand, forty-five".