212241738347 has 2 divisors, whose sum is σ = 212241738348. Its totient is φ = 212241738346.

The previous prime is 212241738281. The next prime is 212241738391. The reversal of 212241738347 is 743837142212.

It is a happy number.

It is an a-pointer prime, because the next prime (212241738391) can be obtained adding 212241738347 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212241738347 - 2¹² = 212241734251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212241738298 and 212241738307.

It is not a weakly prime, because it can be changed into another prime (212241731347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106120869173 + 106120869174.

It is an arithmetic number, because the mean of its divisors is an integer number (106120869174).

Almost surely, 2^212241738347 is an apocalyptic number.

212241738347 is a deficient number, since it is larger than the sum of its proper divisors (1).

212241738347 is an equidigital number, since it uses as much as digits as its factorization.

212241738347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

It can be divided in two parts, 21224 and 1738347, that added together give a palindrome (1759571).

The spelling of 212241738347 in words is "two hundred twelve billion, two hundred forty-one million, seven hundred thirty-eight thousand, three hundred forty-seven".