12210312120303 has 32 divisors (see below), whose sum is σ = 18062857624320. Its totient is φ = 7274206805760.

The previous prime is 12210312120277. The next prime is 12210312120353. The reversal of 12210312120303 is 30302121301221.

It is not a de Polignac number, because 12210312120303 - 2⁸ = 12210312120047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12210312120303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210312120353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26007051 + ... + 26472387.

It is an arithmetic number, because the mean of its divisors is an integer number (564464300760).

Almost surely, 2^{12210312120303} is an apocalyptic number.

12210312120303 is a deficient number, since it is larger than the sum of its proper divisors (5852545504017).

12210312120303 is a wasteful number, since it uses less digits than its factorization.

12210312120303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478887.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12210312120303 its reverse (30302121301221), we get a palindrome (42512433421524).

The spelling of 12210312120303 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, one hundred twenty thousand, three hundred three".