1212131230033 has 2 divisors, whose sum is σ = 1212131230034. Its totient is φ = 1212131230032.

The previous prime is 1212131229931. The next prime is 1212131230069. The reversal of 1212131230033 is 3300321312121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208080162129 + 4051067904 = 1099127^2 + 63648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212131230033 - 2¹⁷ = 1212131098961 is a prime.

It is a super-2 number, since 2×1212131230033² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212131229986 and 1212131230013.

It is not a weakly prime, because it can be changed into another prime (1212131230073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606065615016 + 606065615017.

It is an arithmetic number, because the mean of its divisors is an integer number (606065615017).

Almost surely, 2^{1212131230033} is an apocalyptic number.

It is an amenable number.

1212131230033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212131230033 is an equidigital number, since it uses as much as digits as its factorization.

1212131230033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1212131230033 its reverse (3300321312121), we get a palindrome (4512452542154).

The spelling of 1212131230033 in words is "one trillion, two hundred twelve billion, one hundred thirty-one million, two hundred thirty thousand, thirty-three".