212455000011 has 16 divisors (see below), whose sum is σ = 283534859264. Its totient is φ = 141505968384.

The previous prime is 212454999971. The next prime is 212455000019. The reversal of 212455000011 is 110000554212.

It is a de Polignac number, because none of the positive numbers 2^k-212455000011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212455000019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19930395 + ... + 19941051.

It is an arithmetic number, because the mean of its divisors is an integer number (17720928704).

Almost surely, 2^212455000011 is an apocalyptic number.

212455000011 is a deficient number, since it is larger than the sum of its proper divisors (71079859253).

212455000011 is a wasteful number, since it uses less digits than its factorization.

212455000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 212455000011 its reverse (110000554212), we get a palindrome (322455554223).

The spelling of 212455000011 in words is "two hundred twelve billion, four hundred fifty-five million, eleven", and thus it is an aban number.