212013004241 has 4 divisors (see below), whose sum is σ = 212014312500. Its totient is φ = 212011695984.

The previous prime is 212013004223. The next prime is 212013004271. The reversal of 212013004241 is 142400310212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81865226641 + 130147777600 = 286121^2 + 360760^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013004241 - 2²² = 212008809937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013004271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369866 + ... + 748883.

It is an arithmetic number, because the mean of its divisors is an integer number (53003578125).

Almost surely, 2^212013004241 is an apocalyptic number.

It is an amenable number.

212013004241 is a deficient number, since it is larger than the sum of its proper divisors (1308259).

212013004241 is a wasteful number, since it uses less digits than its factorization.

212013004241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308258.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212013004241 its reverse (142400310212), we get a palindrome (354413314453).

The spelling of 212013004241 in words is "two hundred twelve billion, thirteen million, four thousand, two hundred forty-one".