1210213230 has 32 divisors (see below), whose sum is σ = 2925417600. Its totient is φ = 320400672.

The previous prime is 1210213217. The next prime is 1210213231. The reversal of 1210213230 is 323120121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210213231) 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 15 ways as a sum of consecutive naturals, for example, 140940 + ... + 149279.

It is an arithmetic number, because the mean of its divisors is an integer number (91419300).

Almost surely, 2^1210213230 is an apocalyptic number.

1210213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210213230 is an abundant number, since it is smaller than the sum of its proper divisors (1715204370).

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

1210213230 is a wasteful number, since it uses less digits than its factorization.

1210213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290368.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1210213230 is about 34788.1190925868. The cubic root of 1210213230 is about 1065.6648276810.

Adding to 1210213230 its reverse (323120121), we get a palindrome (1533333351).

It can be divided in two parts, 121021 and 3230, that added together give a triangular number (124251 = T₄₉₈).

The spelling of 1210213230 in words is "one billion, two hundred ten million, two hundred thirteen thousand, two hundred thirty".