212511130 has 32 divisors (see below), whose sum is σ = 426157200. Its totient is φ = 75758592.

The previous prime is 212511121. The next prime is 212511133. The reversal of 212511130 is 31115212.

212511130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14799409 + 197711721 = 3847^2 + 14061^2 .

It is not an unprimeable number, because it can be changed into a prime (212511133) 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, 24415 + ... + 31954.

Almost surely, 2^212511130 is an apocalyptic number.

212511130 is an abundant number, since it is smaller than the sum of its proper divisors (213646070).

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

212511130 is a wasteful number, since it uses less digits than its factorization.

212511130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56418.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 212511130 is about 14577.7614879652. The cubic root of 212511130 is about 596.7520141880.

Adding to 212511130 its reverse (31115212), we get a palindrome (243626342).

The spelling of 212511130 in words is "two hundred twelve million, five hundred eleven thousand, one hundred thirty".