212311130 has 32 divisors (see below), whose sum is σ = 425943360. Its totient is φ = 75720960.

The previous prime is 212311129. The next prime is 212311139. The reversal of 212311130 is 31113212.

It is not an unprimeable number, because it can be changed into a prime (212311139) 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, 29636 + ... + 36095.

It is an arithmetic number, because the mean of its divisors is an integer number (13310730).

Almost surely, 2^212311130 is an apocalyptic number.

212311130 is an abundant number, since it is smaller than the sum of its proper divisors (213632230).

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

212311130 is a wasteful number, since it uses less digits than its factorization.

212311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65774.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 212311130 is about 14570.9001094648. The cubic root of 212311130 is about 596.5647489159.

Adding to 212311130 its reverse (31113212), we get a palindrome (243424342).

The spelling of 212311130 in words is "two hundred twelve million, three hundred eleven thousand, one hundred thirty".