4212334436381 has 2 divisors, whose sum is σ = 4212334436382. Its totient is φ = 4212334436380.

The previous prime is 4212334436311. The next prime is 4212334436441. The reversal of 4212334436381 is 1836344332124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3640238859481 + 572095576900 = 1907941^2 + 756370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4212334436381 is a prime.

It is a super-2 number, since 2×4212334436381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4212334436311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106167218190 + 2106167218191.

It is an arithmetic number, because the mean of its divisors is an integer number (2106167218191).

Almost surely, 2^{4212334436381} is an apocalyptic number.

It is an amenable number.

4212334436381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212334436381 is an equidigital number, since it uses as much as digits as its factorization.

4212334436381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 44.

The spelling of 4212334436381 in words is "four trillion, two hundred twelve billion, three hundred thirty-four million, four hundred thirty-six thousand, three hundred eighty-one".