212002421041 has 4 divisors (see below), whose sum is σ = 221219917632. Its totient is φ = 202784924452.

The previous prime is 212002421039. The next prime is 212002421047. The reversal of 212002421041 is 140124200212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212002421041 - 2¹ = 212002421039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212002421047) 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, 4608748261 + ... + 4608748306.

It is an arithmetic number, because the mean of its divisors is an integer number (55304979408).

Almost surely, 2^212002421041 is an apocalyptic number.

It is an amenable number.

212002421041 is a deficient number, since it is larger than the sum of its proper divisors (9217496591).

212002421041 is an equidigital number, since it uses as much as digits as its factorization.

212002421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217496590.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212002421041 its reverse (140124200212), we get a palindrome (352126621253).

The spelling of 212002421041 in words is "two hundred twelve billion, two million, four hundred twenty-one thousand, forty-one".