212114145 has 32 divisors (see below), whose sum is σ = 349142400. Its totient is φ = 109919744.

The previous prime is 212114107. The next prime is 212114167. The reversal of 212114145 is 541411212.

It is a cyclic number.

It is not a de Polignac number, because 212114145 - 2¹⁷ = 211983073 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 77419 + ... + 80111.

It is an arithmetic number, because the mean of its divisors is an integer number (10910700).

Almost surely, 2^212114145 is an apocalyptic number.

It is an amenable number.

212114145 is a deficient number, since it is larger than the sum of its proper divisors (137028255).

212114145 is a wasteful number, since it uses less digits than its factorization.

212114145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849.

The product of its digits is 320, while the sum is 21.

The square root of 212114145 is about 14564.1390064775. The cubic root of 212114145 is about 596.3801916743.

Adding to 212114145 its reverse (541411212), we get a palindrome (753525357).

The spelling of 212114145 in words is "two hundred twelve million, one hundred fourteen thousand, one hundred forty-five".