212205001030043 has 4 divisors (see below), whose sum is σ = 242520001177200. Its totient is φ = 181890000882888.

The previous prime is 212205001030027. The next prime is 212205001030069. The reversal of 212205001030043 is 340030100502212.

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 212205001030043 - 2⁴ = 212205001030027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212205001030843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15157500073568 + ... + 15157500073581.

It is an arithmetic number, because the mean of its divisors is an integer number (60630000294300).

Almost surely, 2^{212205001030043} is an apocalyptic number.

212205001030043 is a deficient number, since it is larger than the sum of its proper divisors (30315000147157).

212205001030043 is an equidigital number, since it uses as much as digits as its factorization.

212205001030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30315000147156.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 212205001030043 its reverse (340030100502212), we get a palindrome (552235101532255).

The spelling of 212205001030043 in words is "two hundred twelve trillion, two hundred five billion, one million, thirty thousand, forty-three".