1212334431043 has 2 divisors, whose sum is σ = 1212334431044. Its totient is φ = 1212334431042.

The previous prime is 1212334431041. The next prime is 1212334431067. The reversal of 1212334431043 is 3401344332121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212334431043 - 2¹ = 1212334431041 is a prime.

Together with 1212334431041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212334430996 and 1212334431014.

It is not a weakly prime, because it can be changed into another prime (1212334431041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606167215521 + 606167215522.

It is an arithmetic number, because the mean of its divisors is an integer number (606167215522).

Almost surely, 2^{1212334431043} is an apocalyptic number.

1212334431043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212334431043 is an equidigital number, since it uses as much as digits as its factorization.

1212334431043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1212334431043 its reverse (3401344332121), we get a palindrome (4613678763164).

The spelling of 1212334431043 in words is "one trillion, two hundred twelve billion, three hundred thirty-four million, four hundred thirty-one thousand, forty-three".