211612435540230 has 64 divisors (see below), whose sum is σ = 530032002356160. Its totient is φ = 54001960943616.

The previous prime is 211612435540199. The next prime is 211612435540243. The reversal of 211612435540230 is 32045534216112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1076152507 + ... + 1076349126.

It is an arithmetic number, because the mean of its divisors is an integer number (8281750036815).

Almost surely, 2^{211612435540230} is an apocalyptic number.

211612435540230 is an abundant number, since it is smaller than the sum of its proper divisors (318419566815930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211612435540230 is a wasteful number, since it uses less digits than its factorization.

211612435540230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152501785.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 211612435540230 its reverse (32045534216112), we get a palindrome (243657969756342).

The spelling of 211612435540230 in words is "two hundred eleven trillion, six hundred twelve billion, four hundred thirty-five million, five hundred forty thousand, two hundred thirty".