212013122249 has 2 divisors, whose sum is σ = 212013122250. Its totient is φ = 212013122248.

The previous prime is 212013122219. The next prime is 212013122263. The reversal of 212013122249 is 942221310212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210002227600 + 2010894649 = 458260^2 + 44843^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013122249 - 2⁸ = 212013121993 is a prime.

It is not a weakly prime, because it can be changed into another prime (212013122219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006561124 + 106006561125.

It is an arithmetic number, because the mean of its divisors is an integer number (106006561125).

Almost surely, 2^212013122249 is an apocalyptic number.

It is an amenable number.

212013122249 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013122249 is an equidigital number, since it uses as much as digits as its factorization.

212013122249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 212013122249 in words is "two hundred twelve billion, thirteen million, one hundred twenty-two thousand, two hundred forty-nine".