12021223220303 has 16 divisors (see below), whose sum is σ = 13164361056000. Its totient is φ = 10886471369280.

The previous prime is 12021223220261. The next prime is 12021223220311. The reversal of 12021223220303 is 30302232212021.

It is a cyclic number.

It is not a de Polignac number, because 12021223220303 - 2⁴⁰ = 10921711592527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021223220333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129354548 + ... + 129447446.

It is an arithmetic number, because the mean of its divisors is an integer number (822772566000).

Almost surely, 2^{12021223220303} is an apocalyptic number.

12021223220303 is a deficient number, since it is larger than the sum of its proper divisors (1143137835697).

12021223220303 is a wasteful number, since it uses less digits than its factorization.

12021223220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137902.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12021223220303 its reverse (30302232212021), we get a palindrome (42323455432324).

The spelling of 12021223220303 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, two hundred twenty thousand, three hundred three".