1212020010203 has 2 divisors, whose sum is σ = 1212020010204. Its totient is φ = 1212020010202.

The previous prime is 1212020010197. The next prime is 1212020010239. The reversal of 1212020010203 is 3020100202121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212020010203 - 2³⁰ = 1210946268379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212020010263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606010005101 + 606010005102.

It is an arithmetic number, because the mean of its divisors is an integer number (606010005102).

Almost surely, 2^{1212020010203} is an apocalyptic number.

1212020010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212020010203 is an equidigital number, since it uses as much as digits as its factorization.

1212020010203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1212020010203 its reverse (3020100202121), we get a palindrome (4232120212324).

The spelling of 1212020010203 in words is "one trillion, two hundred twelve billion, twenty million, ten thousand, two hundred three".