212303402240003 has 4 divisors (see below), whose sum is σ = 212382531352728. Its totient is φ = 212224273127280.

The previous prime is 212303402239967. The next prime is 212303402240023. The reversal of 212303402240003 is 300042204303212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212303402240003 - 2¹⁶ = 212303402174467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212303402240023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39564552338 + ... + 39564557703.

It is an arithmetic number, because the mean of its divisors is an integer number (53095632838182).

Almost surely, 2^{212303402240003} is an apocalyptic number.

212303402240003 is a deficient number, since it is larger than the sum of its proper divisors (79129112725).

212303402240003 is an equidigital number, since it uses as much as digits as its factorization.

212303402240003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79129112724.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 212303402240003 its reverse (300042204303212), we get a palindrome (512345606543215).

The spelling of 212303402240003 in words is "two hundred twelve trillion, three hundred three billion, four hundred two million, two hundred forty thousand, three".