212030312030 has 32 divisors (see below), whose sum is σ = 396240539040. Its totient is φ = 81591914880.

The previous prime is 212030312003. The next prime is 212030312047. The reversal of 212030312030 is 30213030212.

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, 1239416 + ... + 1400075.

It is an arithmetic number, because the mean of its divisors is an integer number (12382516845).

Almost surely, 2^212030312030 is an apocalyptic number.

212030312030 is a deficient number, since it is larger than the sum of its proper divisors (184210227010).

212030312030 is a wasteful number, since it uses less digits than its factorization.

212030312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639804.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212030312030 its reverse (30213030212), we get a palindrome (242243342242).

The spelling of 212030312030 in words is "two hundred twelve billion, thirty million, three hundred twelve thousand, thirty".