12021231310330 has 16 divisors (see below), whose sum is σ = 23605326936864. Its totient is φ = 4371356840080.

The previous prime is 12021231310279. The next prime is 12021231310343. The reversal of 12021231310330 is 3301313212021.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 54641960392 + ... + 54641960611.

It is an arithmetic number, because the mean of its divisors is an integer number (1475332933554).

Almost surely, 2^{12021231310330} is an apocalyptic number.

12021231310330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021231310330 is a deficient number, since it is larger than the sum of its proper divisors (11584095626534).

12021231310330 is a wasteful number, since it uses less digits than its factorization.

12021231310330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109283921021.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12021231310330 its reverse (3301313212021), we get a palindrome (15322544522351).

The spelling of 12021231310330 in words is "twelve trillion, twenty-one billion, two hundred thirty-one million, three hundred ten thousand, three hundred thirty".