102212029949 has 2 divisors, whose sum is σ = 102212029950. Its totient is φ = 102212029948.

The previous prime is 102212029939. The next prime is 102212029961. The reversal of 102212029949 is 949920212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96321467449 + 5890562500 = 310357^2 + 76750^2 .

It is an emirp because it is prime and its reverse (949920212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102212029949 - 2³² = 97917062653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212029939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106014974 + 51106014975.

It is an arithmetic number, because the mean of its divisors is an integer number (51106014975).

Almost surely, 2^102212029949 is an apocalyptic number.

It is an amenable number.

102212029949 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212029949 is an equidigital number, since it uses as much as digits as its factorization.

102212029949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 102212029949 in words is "one hundred two billion, two hundred twelve million, twenty-nine thousand, nine hundred forty-nine".