1211300230 has 16 divisors (see below), whose sum is σ = 2491817760. Its totient is φ = 415302912.

The previous prime is 1211300203. The next prime is 1211300263. The reversal of 1211300230 is 320031121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211300230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8652075 + ... + 8652214.

It is an arithmetic number, because the mean of its divisors is an integer number (155738610).

Almost surely, 2^1211300230 is an apocalyptic number.

1211300230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211300230 is an abundant number, since it is smaller than the sum of its proper divisors (1280517530).

1211300230 is a wasteful number, since it uses less digits than its factorization.

1211300230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17304303.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1211300230 is about 34803.7387359462. The cubic root of 1211300230 is about 1065.9837882845.

Adding to 1211300230 its reverse (320031121), we get a palindrome (1531331351).

The spelling of 1211300230 in words is "one billion, two hundred eleven million, three hundred thousand, two hundred thirty".