102212023549 has 2 divisors, whose sum is σ = 102212023550. Its totient is φ = 102212023548.

The previous prime is 102212023517. The next prime is 102212023559. The reversal of 102212023549 is 945320212201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79744112100 + 22467911449 = 282390^2 + 149893^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212023549 - 2⁵ = 102212023517 is a prime.

It is a super-3 number, since 3×102212023549³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102212023549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212023559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106011774 + 51106011775.

It is an arithmetic number, because the mean of its divisors is an integer number (51106011775).

Almost surely, 2^102212023549 is an apocalyptic number.

It is an amenable number.

102212023549 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212023549 is an equidigital number, since it uses as much as digits as its factorization.

102212023549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 102212023549 in words is "one hundred two billion, two hundred twelve million, twenty-three thousand, five hundred forty-nine".