212473799 has 2 divisors, whose sum is σ = 212473800. Its totient is φ = 212473798.

The previous prime is 212473741. The next prime is 212473813. The reversal of 212473799 is 997374212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212473799 - 2⁸ = 212473543 is a prime.

It is a super-2 number, since 2×212473799² = 90290230522984802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212475799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106236899 + 106236900.

It is an arithmetic number, because the mean of its divisors is an integer number (106236900).

Almost surely, 2^212473799 is an apocalyptic number.

212473799 is a deficient number, since it is larger than the sum of its proper divisors (1).

212473799 is an equidigital number, since it uses as much as digits as its factorization.

212473799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 212473799 is about 14576.4810225239. The cubic root of 212473799 is about 596.7170691100.

The spelling of 212473799 in words is "two hundred twelve million, four hundred seventy-three thousand, seven hundred ninety-nine".