12120300121303 has 32 divisors (see below), whose sum is σ = 13421923041600. Its totient is φ = 10852405724160.

The previous prime is 12120300121291. The next prime is 12120300121387. The reversal of 12120300121303 is 30312100302121.

It is a de Polignac number, because none of the positive numbers 2^k-12120300121303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120300181303) 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, 2613821301 + ... + 2613825937.

It is an arithmetic number, because the mean of its divisors is an integer number (419435095050).

Almost surely, 2^{12120300121303} is an apocalyptic number.

12120300121303 is a deficient number, since it is larger than the sum of its proper divisors (1301622920297).

12120300121303 is a wasteful number, since it uses less digits than its factorization.

12120300121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547.

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

Adding to 12120300121303 its reverse (30312100302121), we get a palindrome (42432400423424).

The spelling of 12120300121303 in words is "twelve trillion, one hundred twenty billion, three hundred million, one hundred twenty-one thousand, three hundred three".