1212302020331 has 2 divisors, whose sum is σ = 1212302020332. Its totient is φ = 1212302020330.

The previous prime is 1212302020297. The next prime is 1212302020361. The reversal of 1212302020331 is 1330202032121.

It is a strong prime.

It is an emirp because it is prime and its reverse (1330202032121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212302020331 - 2³⁸ = 937424113387 is a prime.

It is a super-2 number, since 2×1212302020331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212302020361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606151010165 + 606151010166.

It is an arithmetic number, because the mean of its divisors is an integer number (606151010166).

Almost surely, 2^{1212302020331} is an apocalyptic number.

1212302020331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212302020331 is an equidigital number, since it uses as much as digits as its factorization.

1212302020331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1212302020331 its reverse (1330202032121), we get a palindrome (2542504052452).

The spelling of 1212302020331 in words is "one trillion, two hundred twelve billion, three hundred two million, twenty thousand, three hundred thirty-one".