1220223000203 has 2 divisors, whose sum is σ = 1220223000204. Its totient is φ = 1220223000202.

The previous prime is 1220223000187. The next prime is 1220223000263. The reversal of 1220223000203 is 3020003220221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220223000203 - 2⁴ = 1220223000187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220223000263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610111500101 + 610111500102.

It is an arithmetic number, because the mean of its divisors is an integer number (610111500102).

Almost surely, 2^{1220223000203} is an apocalyptic number.

1220223000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220223000203 is an equidigital number, since it uses as much as digits as its factorization.

1220223000203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 1220223000203 its reverse (3020003220221), we get a palindrome (4240226220424).

The spelling of 1220223000203 in words is "one trillion, two hundred twenty billion, two hundred twenty-three million, two hundred three", and thus it is an aban number.