212003112949 has 2 divisors, whose sum is σ = 212003112950. Its totient is φ = 212003112948.

The previous prime is 212003112941. The next prime is 212003113031. The reversal of 212003112949 is 949211300212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173897340100 + 38105772849 = 417010^2 + 195207^2 .

It is a cyclic number.

It is not a de Polignac number, because 212003112949 - 2³ = 212003112941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212003112941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001556474 + 106001556475.

It is an arithmetic number, because the mean of its divisors is an integer number (106001556475).

Almost surely, 2^212003112949 is an apocalyptic number.

It is an amenable number.

212003112949 is a deficient number, since it is larger than the sum of its proper divisors (1).

212003112949 is an equidigital number, since it uses as much as digits as its factorization.

212003112949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 212003112949 in words is "two hundred twelve billion, three million, one hundred twelve thousand, nine hundred forty-nine".