212021022034 has 8 divisors (see below), whose sum is σ = 318071565900. Its totient is φ = 105997166736.

The previous prime is 212021022029. The next prime is 212021022067. The reversal of 212021022034 is 430220120212.

It can be written as a sum of positive squares in 2 ways, for example, as 195145713009 + 16875309025 = 441753^2 + 129905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6652269 + ... + 6684064.

Almost surely, 2^212021022034 is an apocalyptic number.

212021022034 is a deficient number, since it is larger than the sum of its proper divisors (106050543866).

212021022034 is a wasteful number, since it uses less digits than its factorization.

212021022034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344284.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212021022034 its reverse (430220120212), we get a palindrome (642241142246).

The spelling of 212021022034 in words is "two hundred twelve billion, twenty-one million, twenty-two thousand, thirty-four".