12121202020003 has 2 divisors, whose sum is σ = 12121202020004. Its totient is φ = 12121202020002.

The previous prime is 12121202019907. The next prime is 12121202020033. The reversal of 12121202020003 is 30002020212121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12121202020003 - 2¹³ = 12121202011811 is a prime.

It is a super-2 number, since 2×12121202020003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12121202020033) 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, 6060601010001 + 6060601010002.

It is an arithmetic number, because the mean of its divisors is an integer number (6060601010002).

Almost surely, 2^{12121202020003} is an apocalyptic number.

12121202020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121202020003 is an equidigital number, since it uses as much as digits as its factorization.

12121202020003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12121202020003 its reverse (30002020212121), we get a palindrome (42123222232124).

The spelling of 12121202020003 in words is "twelve trillion, one hundred twenty-one billion, two hundred two million, twenty thousand, three".