12021011000203 has 2 divisors, whose sum is σ = 12021011000204. Its totient is φ = 12021011000202.

The previous prime is 12021011000197. The next prime is 12021011000231. The reversal of 12021011000203 is 30200011012021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12021011000203 - 2²¹ = 12021008903051 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021011000303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010505500101 + 6010505500102.

It is an arithmetic number, because the mean of its divisors is an integer number (6010505500102).

Almost surely, 2^{12021011000203} is an apocalyptic number.

12021011000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021011000203 is an equidigital number, since it uses as much as digits as its factorization.

12021011000203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12021011000203 its reverse (30200011012021), we get a palindrome (42221022012224).

The spelling of 12021011000203 in words is "twelve trillion, twenty-one billion, eleven million, two hundred three", and thus it is an aban number.