230220130212 has 36 divisors (see below), whose sum is σ = 582205678236. Its totient is φ = 76705711680.

The previous prime is 230220130157. The next prime is 230220130243. The reversal of 230220130212 is 212031022032.

230220130212 is a `hidden beast` number, since 2 + 302 + 20 + 130 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 188307395136 + 41912735076 = 433944^2 + 204726^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 1348839 + ... + 1509902.

It is an arithmetic number, because the mean of its divisors is an integer number (16172379951).

Almost surely, 2^230220130212 is an apocalyptic number.

It is an amenable number.

230220130212 is an abundant number, since it is smaller than the sum of its proper divisors (351985548024).

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

230220130212 is a wasteful number, since it uses less digits than its factorization.

230220130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860988 (or 2860983 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 230220130212 its reverse (212031022032), we get a palindrome (442251152244).

The spelling of 230220130212 in words is "two hundred thirty billion, two hundred twenty million, one hundred thirty thousand, two hundred twelve".