230212140 has 24 divisors (see below), whose sum is σ = 644594160. Its totient is φ = 61389888.

The previous prime is 230212139. The next prime is 230212141. The reversal of 230212140 is 41212032.

230212140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (230212139) and next prime (230212141).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (230212141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1918375 + ... + 1918494.

It is an arithmetic number, because the mean of its divisors is an integer number (26858090).

Almost surely, 2^230212140 is an apocalyptic number.

230212140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230212140 is an abundant number, since it is smaller than the sum of its proper divisors (414382020).

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

230212140 is a wasteful number, since it uses less digits than its factorization.

230212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836881 (or 3836879 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 230212140 is about 15172.7433247913. The cubic root of 230212140 is about 612.8808815236.

Adding to 230212140 its reverse (41212032), we get a palindrome (271424172).

The spelling of 230212140 in words is "two hundred thirty million, two hundred twelve thousand, one hundred forty".