1200212100203 has 2 divisors, whose sum is σ = 1200212100204. Its totient is φ = 1200212100202.

The previous prime is 1200212100151. The next prime is 1200212100211. The reversal of 1200212100203 is 3020012120021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200212100203 - 2¹⁰ = 1200212099179 is a prime.

It is a super-2 number, since 2×1200212100203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200212100293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106050101 + 600106050102.

It is an arithmetic number, because the mean of its divisors is an integer number (600106050102).

Almost surely, 2^{1200212100203} is an apocalyptic number.

1200212100203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200212100203 is an equidigital number, since it uses as much as digits as its factorization.

1200212100203 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 1200212100203 its reverse (3020012120021), we get a palindrome (4220224220224).

The spelling of 1200212100203 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred thousand, two hundred three".