12020213503 has 2 divisors, whose sum is σ = 12020213504. Its totient is φ = 12020213502.

The previous prime is 12020213501. The next prime is 12020213603. The reversal of 12020213503 is 30531202021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020213503 - 2¹ = 12020213501 is a prime.

Together with 12020213501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020213501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010106751 + 6010106752.

It is an arithmetic number, because the mean of its divisors is an integer number (6010106752).

Almost surely, 2^12020213503 is an apocalyptic number.

12020213503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020213503 is an equidigital number, since it uses as much as digits as its factorization.

12020213503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12020213503 its reverse (30531202021), we get a palindrome (42551415524).

The spelling of 12020213503 in words is "twelve billion, twenty million, two hundred thirteen thousand, five hundred three".