211012112347 has 2 divisors, whose sum is σ = 211012112348. Its totient is φ = 211012112346.

The previous prime is 211012112291. The next prime is 211012112359. The reversal of 211012112347 is 743211210112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211012112347 - 2¹¹ = 211012110299 is a prime.

It is a super-2 number, since 2×211012112347² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211012112747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506056173 + 105506056174.

It is an arithmetic number, because the mean of its divisors is an integer number (105506056174).

Almost surely, 2^211012112347 is an apocalyptic number.

211012112347 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012112347 is an equidigital number, since it uses as much as digits as its factorization.

211012112347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 211012112347 its reverse (743211210112), we get a palindrome (954223322459).

The spelling of 211012112347 in words is "two hundred eleven billion, twelve million, one hundred twelve thousand, three hundred forty-seven".