212232120013 has 4 divisors (see below), whose sum is σ = 212233084960. Its totient is φ = 212231155068.

The previous prime is 212232119951. The next prime is 212232120029. The reversal of 212232120013 is 310021232212.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212232120013 - 2³⁷ = 74793166541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232120313) 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, 26218 + ... + 652036.

It is an arithmetic number, because the mean of its divisors is an integer number (53058271240).

Almost surely, 2^212232120013 is an apocalyptic number.

It is an amenable number.

212232120013 is a deficient number, since it is larger than the sum of its proper divisors (964947).

212232120013 is an equidigital number, since it uses as much as digits as its factorization.

212232120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964946.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212232120013 its reverse (310021232212), we get a palindrome (522253352225).

The spelling of 212232120013 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred twenty thousand, thirteen".