1211030321230 has 8 divisors (see below), whose sum is σ = 2179854578232. Its totient is φ = 484412128488.

The previous prime is 1211030321227. The next prime is 1211030321231. The reversal of 1211030321230 is 321230301121.

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 = 1211030321198 and 1211030321207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211030321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60551516052 + ... + 60551516071.

It is an arithmetic number, because the mean of its divisors is an integer number (272481822279).

Almost surely, 2^{1211030321230} is an apocalyptic number.

1211030321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211030321230 is a deficient number, since it is larger than the sum of its proper divisors (968824257002).

1211030321230 is a wasteful number, since it uses less digits than its factorization.

1211030321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121103032130.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1211030321230 its reverse (321230301121), we get a palindrome (1532260622351).

The spelling of 1211030321230 in words is "one trillion, two hundred eleven billion, thirty million, three hundred twenty-one thousand, two hundred thirty".