212144022444349 has 2 divisors, whose sum is σ = 212144022444350. Its totient is φ = 212144022444348.

The previous prime is 212144022444337. The next prime is 212144022444371. The reversal of 212144022444349 is 943444220441212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183774625322500 + 28369397121849 = 13556350^2 + 5326293^2 .

It is a cyclic number.

It is not a de Polignac number, because 212144022444349 - 2¹¹ = 212144022442301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212144022444299 and 212144022444308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212144022444149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106072011222174 + 106072011222175.

It is an arithmetic number, because the mean of its divisors is an integer number (106072011222175).

Almost surely, 2^{212144022444349} is an apocalyptic number.

It is an amenable number.

212144022444349 is a deficient number, since it is larger than the sum of its proper divisors (1).

212144022444349 is an equidigital number, since it uses as much as digits as its factorization.

212144022444349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1769472, while the sum is 46.

The spelling of 212144022444349 in words is "two hundred twelve trillion, one hundred forty-four billion, twenty-two million, four hundred forty-four thousand, three hundred forty-nine".