1230321021211 has 8 divisors (see below), whose sum is σ = 1249625687760. Its totient is φ = 1211138151168.

The previous prime is 1230321021191. The next prime is 1230321021253. The reversal of 1230321021211 is 1121201230321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230321021211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230321021011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30428766 + ... + 30469171.

It is an arithmetic number, because the mean of its divisors is an integer number (156203210970).

Almost surely, 2^{1230321021211} is an apocalyptic number.

1230321021211 is a deficient number, since it is larger than the sum of its proper divisors (19304666549).

1230321021211 is an equidigital number, since it uses as much as digits as its factorization.

1230321021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60898253.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1230321021211 its reverse (1121201230321), we get a palindrome (2351522251532).

The spelling of 1230321021211 in words is "one trillion, two hundred thirty billion, three hundred twenty-one million, twenty-one thousand, two hundred eleven".