212003231113 has 4 divisors (see below), whose sum is σ = 212021107920. Its totient is φ = 211985354308.

The previous prime is 212003231087. The next prime is 212003231149. The reversal of 212003231113 is 311132300212.

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 212003231113 - 2⁹ = 212003230601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212003031113) 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, 8920603 + ... + 8944336.

It is an arithmetic number, because the mean of its divisors is an integer number (53005276980).

Almost surely, 2^212003231113 is an apocalyptic number.

It is an amenable number.

212003231113 is a deficient number, since it is larger than the sum of its proper divisors (17876807).

212003231113 is a wasteful number, since it uses less digits than its factorization.

212003231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17876806.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212003231113 its reverse (311132300212), we get a palindrome (523135531325).

The spelling of 212003231113 in words is "two hundred twelve billion, three million, two hundred thirty-one thousand, one hundred thirteen".