212451024503 has 2 divisors, whose sum is σ = 212451024504. Its totient is φ = 212451024502.

The previous prime is 212451024493. The next prime is 212451024509. The reversal of 212451024503 is 305420154212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212451024503 - 2¹⁰ = 212451023479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212451024509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106225512251 + 106225512252.

It is an arithmetic number, because the mean of its divisors is an integer number (106225512252).

Almost surely, 2^212451024503 is an apocalyptic number.

212451024503 is a deficient number, since it is larger than the sum of its proper divisors (1).

212451024503 is an equidigital number, since it uses as much as digits as its factorization.

212451024503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 212451024503 its reverse (305420154212), we get a palindrome (517871178715).

The spelling of 212451024503 in words is "two hundred twelve billion, four hundred fifty-one million, twenty-four thousand, five hundred three".