1200212002133 has 2 divisors, whose sum is σ = 1200212002134. Its totient is φ = 1200212002132.

The previous prime is 1200212002043. The next prime is 1200212002159. The reversal of 1200212002133 is 3312002120021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811725317764 + 388486684369 = 900958^2 + 623287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200212002133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200212002933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106001066 + 600106001067.

It is an arithmetic number, because the mean of its divisors is an integer number (600106001067).

Almost surely, 2^{1200212002133} is an apocalyptic number.

It is an amenable number.

1200212002133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200212002133 is an equidigital number, since it uses as much as digits as its factorization.

1200212002133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1200212002133 its reverse (3312002120021), we get a palindrome (4512214122154).

It can be divided in two parts, 12002120021 and 33, that multiplied together give a palindrome (396069960693).

The spelling of 1200212002133 in words is "one trillion, two hundred billion, two hundred twelve million, two thousand, one hundred thirty-three".