212333130 has 32 divisors (see below), whose sum is σ = 566222400. Its totient is φ = 56622096.

The previous prime is 212333123. The next prime is 212333159. The reversal of 212333130 is 31333212.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 392940 + ... + 393479.

It is an arithmetic number, because the mean of its divisors is an integer number (17694450).

Almost surely, 2^212333130 is an apocalyptic number.

212333130 is an abundant number, since it is smaller than the sum of its proper divisors (353889270).

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

212333130 is a wasteful number, since it uses less digits than its factorization.

212333130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786435 (or 786429 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 212333130 is about 14571.6550192488. The cubic root of 212333130 is about 596.5853538511.

Adding to 212333130 its reverse (31333212), we get a palindrome (243666342).

It can be divided in two parts, 2123 and 33130, that added together give a palindrome (35253).

The spelling of 212333130 in words is "two hundred twelve million, three hundred thirty-three thousand, one hundred thirty".