201213049243 has 2 divisors, whose sum is σ = 201213049244. Its totient is φ = 201213049242.

The previous prime is 201213049199. The next prime is 201213049249. The reversal of 201213049243 is 342940312102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201213049243 is a prime.

It is not a weakly prime, because it can be changed into another prime (201213049249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606524621 + 100606524622.

It is an arithmetic number, because the mean of its divisors is an integer number (100606524622).

Almost surely, 2^201213049243 is an apocalyptic number.

201213049243 is a deficient number, since it is larger than the sum of its proper divisors (1).

201213049243 is an equidigital number, since it uses as much as digits as its factorization.

201213049243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 201213049243 in words is "two hundred one billion, two hundred thirteen million, forty-nine thousand, two hundred forty-three".