1211333230 has 8 divisors (see below), whose sum is σ = 2180399832. Its totient is φ = 484533288.

The previous prime is 1211333213. The next prime is 1211333237. The reversal of 1211333230 is 323331121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1211333198 and 1211333207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211333237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60566652 + ... + 60566671.

It is an arithmetic number, because the mean of its divisors is an integer number (272549979).

Almost surely, 2^1211333230 is an apocalyptic number.

1211333230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211333230 is a deficient number, since it is larger than the sum of its proper divisors (969066602).

1211333230 is a wasteful number, since it uses less digits than its factorization.

1211333230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121133330.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1211333230 is about 34804.2128197148. The cubic root of 1211333230 is about 1065.9934685561.

Adding to 1211333230 its reverse (323331121), we get a palindrome (1534664351).

The spelling of 1211333230 in words is "one billion, two hundred eleven million, three hundred thirty-three thousand, two hundred thirty".