1230213522 has 8 divisors (see below), whose sum is σ = 2460427056. Its totient is φ = 410071172.

The previous prime is 1230213497. The next prime is 1230213529. The reversal of 1230213522 is 2253120321.

It is a sphenic number, since it is the product of 3 distinct primes.

1230213522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1230213529) 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 3 ways as a sum of consecutive naturals, for example, 102517788 + ... + 102517799.

It is an arithmetic number, because the mean of its divisors is an integer number (307553382).

Almost surely, 2^1230213522 is an apocalyptic number.

1230213522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1230213522 is a wasteful number, since it uses less digits than its factorization.

1230213522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205035592.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1230213522 is about 35074.3998095477. The cubic root of 1230213522 is about 1071.5032650962.

Adding to 1230213522 its reverse (2253120321), we get a palindrome (3483333843).

The spelling of 1230213522 in words is "one billion, two hundred thirty million, two hundred thirteen thousand, five hundred twenty-two".