1212000100133 has 2 divisors, whose sum is σ = 1212000100134. Its totient is φ = 1212000100132.

The previous prime is 1212000100099. The next prime is 1212000100147. The reversal of 1212000100133 is 3310010002121.

It is an a-pointer prime, because the next prime (1212000100147) can be obtained adding 1212000100133 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697462160164 + 514537939969 = 835142^2 + 717313^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212000100133 - 2¹² = 1212000096037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212000100933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000050066 + 606000050067.

It is an arithmetic number, because the mean of its divisors is an integer number (606000050067).

Almost surely, 2^{1212000100133} is an apocalyptic number.

It is an amenable number.

1212000100133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212000100133 is an equidigital number, since it uses as much as digits as its factorization.

1212000100133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1212000100133 its reverse (3310010002121), we get a palindrome (4522010102254).

The spelling of 1212000100133 in words is "one trillion, two hundred twelve billion, one hundred thousand, one hundred thirty-three".